+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include <boost/algorithm/string/predicate.hpp>
-#include <boost/format.hpp>
-#include <boost/optional.hpp>
-#include <boost/utility/in_place_factory.hpp>
-
-#include "include/assert.h"
-#include "ceph_ver.h"
-
-#include "common/Formatter.h"
-#include "common/utf8.h"
-#include "common/ceph_json.h"
-
-#include "rgw_rest_swift.h"
-#include "rgw_acl_swift.h"
-#include "rgw_cors_swift.h"
-#include "rgw_formats.h"
-#include "rgw_client_io.h"
-
-#include "rgw_auth.h"
-#include "rgw_swift_auth.h"
-
-#include "rgw_request.h"
-#include "rgw_process.h"
-
-#include <array>
-#include <sstream>
-#include <memory>
-
-#include <boost/utility/string_ref.hpp>
-
-#define dout_context g_ceph_context
-#define dout_subsys ceph_subsys_rgw
-
-int RGWListBuckets_ObjStore_SWIFT::get_params()
-{
- prefix = s->info.args.get("prefix");
- marker = s->info.args.get("marker");
- end_marker = s->info.args.get("end_marker");
- wants_reversed = s->info.args.exists("reverse");
-
- if (wants_reversed) {
- std::swap(marker, end_marker);
- }
-
- std::string limit_str = s->info.args.get("limit");
- if (!limit_str.empty()) {
- std::string err;
- long l = strict_strtol(limit_str.c_str(), 10, &err);
- if (!err.empty()) {
- return -EINVAL;
- }
-
- if (l > (long)limit_max || l < 0) {
- return -ERR_PRECONDITION_FAILED;
- }
-
- limit = (uint64_t)l;
- }
-
- if (s->cct->_conf->rgw_swift_need_stats) {
- bool stats, exists;
- int r = s->info.args.get_bool("stats", &stats, &exists);
-
- if (r < 0) {
- return r;
- }
-
- if (exists) {
- need_stats = stats;
- }
- } else {
- need_stats = false;
- }
-
- return 0;
-}
-
-static void dump_account_metadata(struct req_state * const s,
- const RGWUsageStats& global_stats,
- const std::map<std::string, RGWUsageStats> policies_stats,
- /* const */map<string, bufferlist>& attrs,
- const RGWQuotaInfo& quota,
- const RGWAccessControlPolicy_SWIFTAcct &policy)
-{
- /* Adding X-Timestamp to keep align with Swift API */
- dump_header(s, "X-Timestamp", ceph_clock_now());
-
- dump_header(s, "X-Account-Container-Count", global_stats.buckets_count);
- dump_header(s, "X-Account-Object-Count", global_stats.objects_count);
- dump_header(s, "X-Account-Bytes-Used", global_stats.bytes_used);
- dump_header(s, "X-Account-Bytes-Used-Actual", global_stats.bytes_used_rounded);
-
- for (const auto& kv : policies_stats) {
- const auto& policy_name = camelcase_dash_http_attr(kv.first);
- const auto& policy_stats = kv.second;
-
- dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name,
- "-Container-Count", policy_stats.buckets_count);
- dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name,
- "-Object-Count", policy_stats.objects_count);
- dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name,
- "-Bytes-Used", policy_stats.bytes_used);
- dump_header_infixed(s, "X-Account-Storage-Policy-", policy_name,
- "-Bytes-Used-Actual", policy_stats.bytes_used_rounded);
- }
-
- /* Dump TempURL-related stuff */
- if (s->perm_mask == RGW_PERM_FULL_CONTROL) {
- auto iter = s->user->temp_url_keys.find(0);
- if (iter != std::end(s->user->temp_url_keys) && ! iter->second.empty()) {
- dump_header(s, "X-Account-Meta-Temp-Url-Key", iter->second);
- }
-
- iter = s->user->temp_url_keys.find(1);
- if (iter != std::end(s->user->temp_url_keys) && ! iter->second.empty()) {
- dump_header(s, "X-Account-Meta-Temp-Url-Key-2", iter->second);
- }
- }
-
- /* Dump quota headers. */
- if (quota.enabled) {
- if (quota.max_size >= 0) {
- dump_header(s, "X-Account-Meta-Quota-Bytes", quota.max_size);
- }
-
- /* Limit on the number of objects in a given account is a RadosGW's
- * extension. Swift's account quota WSGI filter doesn't support it. */
- if (quota.max_objects >= 0) {
- dump_header(s, "X-Account-Meta-Quota-Count", quota.max_objects);
- }
- }
-
- /* Dump user-defined metadata items and generic attrs. */
- const size_t PREFIX_LEN = sizeof(RGW_ATTR_META_PREFIX) - 1;
- map<string, bufferlist>::iterator iter;
- for (iter = attrs.lower_bound(RGW_ATTR_PREFIX); iter != attrs.end(); ++iter) {
- const char *name = iter->first.c_str();
- map<string, string>::const_iterator geniter = rgw_to_http_attrs.find(name);
-
- if (geniter != rgw_to_http_attrs.end()) {
- dump_header(s, geniter->second, iter->second);
- } else if (strncmp(name, RGW_ATTR_META_PREFIX, PREFIX_LEN) == 0) {
- dump_header_prefixed(s, "X-Account-Meta-",
- camelcase_dash_http_attr(name + PREFIX_LEN),
- iter->second);
- }
- }
-
- /* Dump account ACLs */
- auto account_acls = policy.to_str();
- if (account_acls) {
- dump_header(s, "X-Account-Access-Control", std::move(*account_acls));
- }
-}
-
-void RGWListBuckets_ObjStore_SWIFT::send_response_begin(bool has_buckets)
-{
- if (op_ret) {
- set_req_state_err(s, op_ret);
- } else if (!has_buckets && s->format == RGW_FORMAT_PLAIN) {
- op_ret = STATUS_NO_CONTENT;
- set_req_state_err(s, op_ret);
- }
-
- if (! s->cct->_conf->rgw_swift_enforce_content_length) {
- /* Adding account stats in the header to keep align with Swift API */
- dump_account_metadata(s,
- global_stats,
- policies_stats,
- attrs,
- user_quota,
- static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl));
- dump_errno(s);
- end_header(s, NULL, NULL, NO_CONTENT_LENGTH, true);
- }
-
- if (! op_ret) {
- dump_start(s);
- s->formatter->open_array_section_with_attrs("account",
- FormatterAttrs("name", s->user->display_name.c_str(), NULL));
-
- sent_data = true;
- }
-}
-
-void RGWListBuckets_ObjStore_SWIFT::handle_listing_chunk(RGWUserBuckets&& buckets)
-{
- if (wants_reversed) {
- /* Just store in the reversal buffer. Its content will be handled later,
- * in send_response_end(). */
- reverse_buffer.emplace(std::begin(reverse_buffer), std::move(buckets));
- } else {
- return send_response_data(buckets);
- }
-}
-
-void RGWListBuckets_ObjStore_SWIFT::send_response_data(RGWUserBuckets& buckets)
-{
- if (! sent_data) {
- return;
- }
-
- /* Take care of the prefix parameter of Swift API. There is no business
- * in applying the filter earlier as we really need to go through all
- * entries regardless of it (the headers like X-Account-Container-Count
- * aren't affected by specifying prefix). */
- const std::map<std::string, RGWBucketEnt>& m = buckets.get_buckets();
- for (auto iter = m.lower_bound(prefix);
- iter != m.end() && boost::algorithm::starts_with(iter->first, prefix);
- ++iter) {
- dump_bucket_entry(iter->second);
- }
-}
-
-void RGWListBuckets_ObjStore_SWIFT::dump_bucket_entry(const RGWBucketEnt& obj)
-{
- s->formatter->open_object_section("container");
- s->formatter->dump_string("name", obj.bucket.name);
-
- if (need_stats) {
- s->formatter->dump_int("count", obj.count);
- s->formatter->dump_int("bytes", obj.size);
- }
-
- s->formatter->close_section();
-
- if (! s->cct->_conf->rgw_swift_enforce_content_length) {
- rgw_flush_formatter(s, s->formatter);
- }
-}
-
-void RGWListBuckets_ObjStore_SWIFT::send_response_data_reversed(RGWUserBuckets& buckets)
-{
- if (! sent_data) {
- return;
- }
-
- /* Take care of the prefix parameter of Swift API. There is no business
- * in applying the filter earlier as we really need to go through all
- * entries regardless of it (the headers like X-Account-Container-Count
- * aren't affected by specifying prefix). */
- std::map<std::string, RGWBucketEnt>& m = buckets.get_buckets();
-
- auto iter = m.rbegin();
- for (/* initialized above */;
- iter != m.rend() && !boost::algorithm::starts_with(iter->first, prefix);
- ++iter) {
- /* NOP */;
- }
-
- for (/* iter carried */;
- iter != m.rend() && boost::algorithm::starts_with(iter->first, prefix);
- ++iter) {
- dump_bucket_entry(iter->second);
- }
-}
-
-void RGWListBuckets_ObjStore_SWIFT::send_response_end()
-{
- if (wants_reversed) {
- for (auto& buckets : reverse_buffer) {
- send_response_data_reversed(buckets);
- }
- }
-
- if (sent_data) {
- s->formatter->close_section();
- }
-
- if (s->cct->_conf->rgw_swift_enforce_content_length) {
- /* Adding account stats in the header to keep align with Swift API */
- dump_account_metadata(s,
- global_stats,
- policies_stats,
- attrs,
- user_quota,
- static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl));
- dump_errno(s);
- end_header(s, nullptr, nullptr, s->formatter->get_len(), true);
- }
-
- if (sent_data || s->cct->_conf->rgw_swift_enforce_content_length) {
- rgw_flush_formatter_and_reset(s, s->formatter);
- }
-}
-
-int RGWListBucket_ObjStore_SWIFT::get_params()
-{
- prefix = s->info.args.get("prefix");
- marker = s->info.args.get("marker");
- end_marker = s->info.args.get("end_marker");
- max_keys = s->info.args.get("limit");
- op_ret = parse_max_keys();
- if (op_ret < 0) {
- return op_ret;
- }
- if (max > default_max)
- return -ERR_PRECONDITION_FAILED;
-
- delimiter = s->info.args.get("delimiter");
-
- string path_args;
- if (s->info.args.exists("path")) { // should handle empty path
- path_args = s->info.args.get("path");
- if (!delimiter.empty() || !prefix.empty()) {
- return -EINVAL;
- }
- prefix = path_args;
- delimiter="/";
-
- path = prefix;
- if (path.size() && path[path.size() - 1] != '/')
- path.append("/");
-
- int len = prefix.size();
- int delim_size = delimiter.size();
-
- if (len >= delim_size) {
- if (prefix.substr(len - delim_size).compare(delimiter) != 0)
- prefix.append(delimiter);
- }
- }
-
- return 0;
-}
-
-static void dump_container_metadata(struct req_state *,
- const RGWBucketEnt&,
- const RGWQuotaInfo&,
- const RGWBucketWebsiteConf&);
-
-void RGWListBucket_ObjStore_SWIFT::send_response()
-{
- vector<rgw_bucket_dir_entry>::iterator iter = objs.begin();
- map<string, bool>::iterator pref_iter = common_prefixes.begin();
-
- dump_start(s);
- dump_container_metadata(s, bucket, bucket_quota,
- s->bucket_info.website_conf);
-
- s->formatter->open_array_section_with_attrs("container", FormatterAttrs("name", s->bucket.name.c_str(), NULL));
-
- while (iter != objs.end() || pref_iter != common_prefixes.end()) {
- bool do_pref = false;
- bool do_objs = false;
- rgw_obj_key key;
- if (iter != objs.end()) {
- key = iter->key;
- }
- if (pref_iter == common_prefixes.end())
- do_objs = true;
- else if (iter == objs.end())
- do_pref = true;
- else if (!key.empty() && key.name.compare(pref_iter->first) == 0) {
- do_objs = true;
- ++pref_iter;
- } else if (!key.empty() && key.name.compare(pref_iter->first) <= 0)
- do_objs = true;
- else
- do_pref = true;
-
- if (do_objs && (marker.empty() || marker < key)) {
- if (key.name.compare(path) == 0)
- goto next;
-
- s->formatter->open_object_section("object");
- s->formatter->dump_string("name", key.name);
- s->formatter->dump_string("hash", iter->meta.etag);
- s->formatter->dump_int("bytes", iter->meta.accounted_size);
- if (!iter->meta.user_data.empty())
- s->formatter->dump_string("user_custom_data", iter->meta.user_data);
- string single_content_type = iter->meta.content_type;
- if (iter->meta.content_type.size()) {
- // content type might hold multiple values, just dump the last one
- ssize_t pos = iter->meta.content_type.rfind(',');
- if (pos > 0) {
- ++pos;
- while (single_content_type[pos] == ' ')
- ++pos;
- single_content_type = single_content_type.substr(pos);
- }
- s->formatter->dump_string("content_type", single_content_type);
- }
- dump_time(s, "last_modified", &iter->meta.mtime);
- s->formatter->close_section();
- }
-
- if (do_pref && (marker.empty() || pref_iter->first.compare(marker.name) > 0)) {
- const string& name = pref_iter->first;
- if (name.compare(delimiter) == 0)
- goto next;
-
- s->formatter->open_object_section_with_attrs("subdir", FormatterAttrs("name", name.c_str(), NULL));
-
- /* swift is a bit inconsistent here */
- switch (s->format) {
- case RGW_FORMAT_XML:
- s->formatter->dump_string("name", name);
- break;
- default:
- s->formatter->dump_string("subdir", name);
- }
- s->formatter->close_section();
- }
-next:
- if (do_objs)
- ++iter;
- else
- ++pref_iter;
- }
-
- s->formatter->close_section();
-
- int64_t content_len = 0;
- if (! op_ret) {
- content_len = s->formatter->get_len();
- if (content_len == 0) {
- op_ret = STATUS_NO_CONTENT;
- }
- } else if (op_ret > 0) {
- op_ret = 0;
- }
-
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, this, NULL, content_len);
- if (op_ret < 0) {
- return;
- }
-
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-static void dump_container_metadata(struct req_state *s,
- const RGWBucketEnt& bucket,
- const RGWQuotaInfo& quota,
- const RGWBucketWebsiteConf& ws_conf)
-{
- /* Adding X-Timestamp to keep align with Swift API */
- dump_header(s, "X-Timestamp", utime_t(s->bucket_info.creation_time));
-
- dump_header(s, "X-Container-Object-Count", bucket.count);
- dump_header(s, "X-Container-Bytes-Used", bucket.size);
- dump_header(s, "X-Container-Bytes-Used-Actual", bucket.size_rounded);
-
- if (s->object.empty()) {
- auto swift_policy = \
- static_cast<RGWAccessControlPolicy_SWIFT*>(s->bucket_acl.get());
- std::string read_acl, write_acl;
- swift_policy->to_str(read_acl, write_acl);
-
- if (read_acl.size()) {
- dump_header(s, "X-Container-Read", read_acl);
- }
- if (write_acl.size()) {
- dump_header(s, "X-Container-Write", write_acl);
- }
- if (!s->bucket_info.placement_rule.empty()) {
- dump_header(s, "X-Storage-Policy", s->bucket_info.placement_rule);
- }
-
- /* Dump user-defined metadata items and generic attrs. */
- const size_t PREFIX_LEN = sizeof(RGW_ATTR_META_PREFIX) - 1;
- map<string, bufferlist>::iterator iter;
- for (iter = s->bucket_attrs.lower_bound(RGW_ATTR_PREFIX);
- iter != s->bucket_attrs.end();
- ++iter) {
- const char *name = iter->first.c_str();
- map<string, string>::const_iterator geniter = rgw_to_http_attrs.find(name);
-
- if (geniter != rgw_to_http_attrs.end()) {
- dump_header(s, geniter->second, iter->second);
- } else if (strncmp(name, RGW_ATTR_META_PREFIX, PREFIX_LEN) == 0) {
- dump_header_prefixed(s, "X-Container-Meta-",
- camelcase_dash_http_attr(name + PREFIX_LEN),
- iter->second);
- }
- }
- }
-
- /* Dump container versioning info. */
- if (! s->bucket_info.swift_ver_location.empty()) {
- dump_header(s, "X-Versions-Location",
- url_encode(s->bucket_info.swift_ver_location));
- }
-
- /* Dump quota headers. */
- if (quota.enabled) {
- if (quota.max_size >= 0) {
- dump_header(s, "X-Container-Meta-Quota-Bytes", quota.max_size);
- }
-
- if (quota.max_objects >= 0) {
- dump_header(s, "X-Container-Meta-Quota-Count", quota.max_objects);
- }
- }
-
- /* Dump Static Website headers. */
- if (! ws_conf.index_doc_suffix.empty()) {
- dump_header(s, "X-Container-Meta-Web-Index", ws_conf.index_doc_suffix);
- }
-
- if (! ws_conf.error_doc.empty()) {
- dump_header(s, "X-Container-Meta-Web-Error", ws_conf.error_doc);
- }
-
- if (! ws_conf.subdir_marker.empty()) {
- dump_header(s, "X-Container-Meta-Web-Directory-Type",
- ws_conf.subdir_marker);
- }
-
- if (! ws_conf.listing_css_doc.empty()) {
- dump_header(s, "X-Container-Meta-Web-Listings-CSS",
- ws_conf.listing_css_doc);
- }
-
- if (ws_conf.listing_enabled) {
- dump_header(s, "X-Container-Meta-Web-Listings", "true");
- }
-}
-
-void RGWStatAccount_ObjStore_SWIFT::execute()
-{
- RGWStatAccount_ObjStore::execute();
- op_ret = rgw_get_user_attrs_by_uid(store, s->user->user_id, attrs);
-}
-
-void RGWStatAccount_ObjStore_SWIFT::send_response()
-{
- if (op_ret >= 0) {
- op_ret = STATUS_NO_CONTENT;
- dump_account_metadata(s,
- global_stats,
- policies_stats,
- attrs,
- user_quota,
- static_cast<RGWAccessControlPolicy_SWIFTAcct&>(*s->user_acl));
- }
-
- set_req_state_err(s, op_ret);
- dump_errno(s);
-
- end_header(s, NULL, NULL, 0, true);
-
- dump_start(s);
-}
-
-void RGWStatBucket_ObjStore_SWIFT::send_response()
-{
- if (op_ret >= 0) {
- op_ret = STATUS_NO_CONTENT;
- dump_container_metadata(s, bucket, bucket_quota,
- s->bucket_info.website_conf);
- }
-
- set_req_state_err(s, op_ret);
- dump_errno(s);
-
- end_header(s, this, NULL, 0, true);
- dump_start(s);
-}
-
-static int get_swift_container_settings(req_state * const s,
- RGWRados * const store,
- RGWAccessControlPolicy * const policy,
- bool * const has_policy,
- uint32_t * rw_mask,
- RGWCORSConfiguration * const cors_config,
- bool * const has_cors)
-{
- string read_list, write_list;
-
- const char * const read_attr = s->info.env->get("HTTP_X_CONTAINER_READ");
- if (read_attr) {
- read_list = read_attr;
- }
- const char * const write_attr = s->info.env->get("HTTP_X_CONTAINER_WRITE");
- if (write_attr) {
- write_list = write_attr;
- }
-
- *has_policy = false;
-
- if (read_attr || write_attr) {
- RGWAccessControlPolicy_SWIFT swift_policy(s->cct);
- const auto r = swift_policy.create(store,
- s->user->user_id,
- s->user->display_name,
- read_list,
- write_list,
- *rw_mask);
- if (r < 0) {
- return r;
- }
-
- *policy = swift_policy;
- *has_policy = true;
- }
-
- *has_cors = false;
-
- /*Check and update CORS configuration*/
- const char *allow_origins = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_ALLOW_ORIGIN");
- const char *allow_headers = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_ALLOW_HEADERS");
- const char *expose_headers = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_EXPOSE_HEADERS");
- const char *max_age = s->info.env->get("HTTP_X_CONTAINER_META_ACCESS_CONTROL_MAX_AGE");
- if (allow_origins) {
- RGWCORSConfiguration_SWIFT *swift_cors = new RGWCORSConfiguration_SWIFT;
- int r = swift_cors->create_update(allow_origins, allow_headers, expose_headers, max_age);
- if (r < 0) {
- dout(0) << "Error creating/updating the cors configuration" << dendl;
- delete swift_cors;
- return r;
- }
- *has_cors = true;
- *cors_config = *swift_cors;
- cors_config->dump();
- delete swift_cors;
- }
-
- return 0;
-}
-
-#define ACCT_REMOVE_ATTR_PREFIX "HTTP_X_REMOVE_ACCOUNT_META_"
-#define ACCT_PUT_ATTR_PREFIX "HTTP_X_ACCOUNT_META_"
-#define CONT_REMOVE_ATTR_PREFIX "HTTP_X_REMOVE_CONTAINER_META_"
-#define CONT_PUT_ATTR_PREFIX "HTTP_X_CONTAINER_META_"
-
-static void get_rmattrs_from_headers(const req_state * const s,
- const char * const put_prefix,
- const char * const del_prefix,
- set<string>& rmattr_names)
-{
- const size_t put_prefix_len = strlen(put_prefix);
- const size_t del_prefix_len = strlen(del_prefix);
-
- for (const auto& kv : s->info.env->get_map()) {
- size_t prefix_len = 0;
- const char * const p = kv.first.c_str();
-
- if (strncasecmp(p, del_prefix, del_prefix_len) == 0) {
- /* Explicitly requested removal. */
- prefix_len = del_prefix_len;
- } else if ((strncasecmp(p, put_prefix, put_prefix_len) == 0)
- && kv.second.empty()) {
- /* Removal requested by putting an empty value. */
- prefix_len = put_prefix_len;
- }
-
- if (prefix_len > 0) {
- string name(RGW_ATTR_META_PREFIX);
- name.append(lowercase_dash_http_attr(p + prefix_len));
- rmattr_names.insert(name);
- }
- }
-}
-
-static int get_swift_versioning_settings(
- req_state * const s,
- boost::optional<std::string>& swift_ver_location)
-{
- /* Removing the Swift's versions location has lower priority than setting
- * a new one. That's the reason why we're handling it first. */
- const std::string vlocdel =
- s->info.env->get("HTTP_X_REMOVE_VERSIONS_LOCATION", "");
- if (vlocdel.size()) {
- swift_ver_location = boost::in_place(std::string());
- }
-
- if (s->info.env->exists("HTTP_X_VERSIONS_LOCATION")) {
- /* If the Swift's versioning is globally disabled but someone wants to
- * enable it for a given container, new version of Swift will generate
- * the precondition failed error. */
- if (! s->cct->_conf->rgw_swift_versioning_enabled) {
- return -ERR_PRECONDITION_FAILED;
- }
-
- swift_ver_location = s->info.env->get("HTTP_X_VERSIONS_LOCATION", "");
- }
-
- return 0;
-}
-
-int RGWCreateBucket_ObjStore_SWIFT::get_params()
-{
- bool has_policy;
- uint32_t policy_rw_mask = 0;
-
- int r = get_swift_container_settings(s, store, &policy, &has_policy,
- &policy_rw_mask, &cors_config, &has_cors);
- if (r < 0) {
- return r;
- }
-
- if (!has_policy) {
- policy.create_default(s->user->user_id, s->user->display_name);
- }
-
- location_constraint = store->get_zonegroup().api_name;
- get_rmattrs_from_headers(s, CONT_PUT_ATTR_PREFIX,
- CONT_REMOVE_ATTR_PREFIX, rmattr_names);
- placement_rule = s->info.env->get("HTTP_X_STORAGE_POLICY", "");
-
- return get_swift_versioning_settings(s, swift_ver_location);
-}
-
-static inline int handle_metadata_errors(req_state* const s, const int op_ret)
-{
- if (op_ret == -EFBIG) {
- /* Handle the custom error message of exceeding maximum custom attribute
- * (stored as xattr) size. */
- const auto error_message = boost::str(
- boost::format("Metadata value longer than %lld")
- % s->cct->_conf->get_val<size_t>("rgw_max_attr_size"));
- set_req_state_err(s, EINVAL, error_message);
- return -EINVAL;
- } else if (op_ret == -E2BIG) {
- const auto error_message = boost::str(
- boost::format("Too many metadata items; max %lld")
- % s->cct->_conf->get_val<size_t>("rgw_max_attrs_num_in_req"));
- set_req_state_err(s, EINVAL, error_message);
- return -EINVAL;
- }
-
- return op_ret;
-}
-
-void RGWCreateBucket_ObjStore_SWIFT::send_response()
-{
- const auto meta_ret = handle_metadata_errors(s, op_ret);
- if (meta_ret != op_ret) {
- op_ret = meta_ret;
- } else {
- if (!op_ret) {
- op_ret = STATUS_CREATED;
- } else if (op_ret == -ERR_BUCKET_EXISTS) {
- op_ret = STATUS_ACCEPTED;
- }
- set_req_state_err(s, op_ret);
- }
-
- dump_errno(s);
- /* Propose ending HTTP header with 0 Content-Length header. */
- end_header(s, NULL, NULL, 0);
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-void RGWDeleteBucket_ObjStore_SWIFT::send_response()
-{
- int r = op_ret;
- if (!r)
- r = STATUS_NO_CONTENT;
-
- set_req_state_err(s, r);
- dump_errno(s);
- end_header(s, this, NULL, 0);
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-static int get_delete_at_param(req_state *s, boost::optional<real_time> &delete_at)
-{
- /* Handle Swift object expiration. */
- real_time delat_proposal;
- string x_delete = s->info.env->get("HTTP_X_DELETE_AFTER", "");
-
- if (x_delete.empty()) {
- x_delete = s->info.env->get("HTTP_X_DELETE_AT", "");
- } else {
- /* X-Delete-After HTTP is present. It means we need add its value
- * to the current time. */
- delat_proposal = real_clock::now();
- }
-
- if (x_delete.empty()) {
- delete_at = boost::none;
- if (s->info.env->exists("HTTP_X_REMOVE_DELETE_AT")) {
- delete_at = boost::in_place(real_time());
- }
- return 0;
- }
- string err;
- long ts = strict_strtoll(x_delete.c_str(), 10, &err);
-
- if (!err.empty()) {
- return -EINVAL;
- }
-
- delat_proposal += make_timespan(ts);
- if (delat_proposal < real_clock::now()) {
- return -EINVAL;
- }
-
- delete_at = delat_proposal;
-
- return 0;
-}
-
-int RGWPutObj_ObjStore_SWIFT::verify_permission()
-{
- op_ret = RGWPutObj_ObjStore::verify_permission();
-
- /* We have to differentiate error codes depending on whether user is
- * anonymous (401 Unauthorized) or he doesn't have necessary permissions
- * (403 Forbidden). */
- if (s->auth.identity->is_anonymous() && op_ret == -EACCES) {
- return -EPERM;
- } else {
- return op_ret;
- }
-}
-
-int RGWPutObj_ObjStore_SWIFT::get_params()
-{
- if (s->has_bad_meta) {
- return -EINVAL;
- }
-
- if (!s->length) {
- const char *encoding = s->info.env->get("HTTP_TRANSFER_ENCODING");
- if (!encoding || strcmp(encoding, "chunked") != 0) {
- ldout(s->cct, 20) << "neither length nor chunked encoding" << dendl;
- return -ERR_LENGTH_REQUIRED;
- }
-
- chunked_upload = true;
- }
-
- supplied_etag = s->info.env->get("HTTP_ETAG");
-
- if (!s->generic_attrs.count(RGW_ATTR_CONTENT_TYPE)) {
- ldout(s->cct, 5) << "content type wasn't provided, trying to guess" << dendl;
- const char *suffix = strrchr(s->object.name.c_str(), '.');
- if (suffix) {
- suffix++;
- if (*suffix) {
- string suffix_str(suffix);
- const char *mime = rgw_find_mime_by_ext(suffix_str);
- if (mime) {
- s->generic_attrs[RGW_ATTR_CONTENT_TYPE] = mime;
- }
- }
- }
- }
-
- policy.create_default(s->user->user_id, s->user->display_name);
-
- int r = get_delete_at_param(s, delete_at);
- if (r < 0) {
- ldout(s->cct, 5) << "ERROR: failed to get Delete-At param" << dendl;
- return r;
- }
-
- if (!s->cct->_conf->rgw_swift_custom_header.empty()) {
- string custom_header = s->cct->_conf->rgw_swift_custom_header;
- if (s->info.env->exists(custom_header.c_str())) {
- user_data = s->info.env->get(custom_header.c_str());
- }
- }
-
- dlo_manifest = s->info.env->get("HTTP_X_OBJECT_MANIFEST");
- bool exists;
- string multipart_manifest = s->info.args.get("multipart-manifest", &exists);
- if (exists) {
- if (multipart_manifest != "put") {
- ldout(s->cct, 5) << "invalid multipart-manifest http param: " << multipart_manifest << dendl;
- return -EINVAL;
- }
-
-#define MAX_SLO_ENTRY_SIZE (1024 + 128) // 1024 - max obj name, 128 - enough extra for other info
- uint64_t max_len = s->cct->_conf->rgw_max_slo_entries * MAX_SLO_ENTRY_SIZE;
-
- slo_info = new RGWSLOInfo;
-
- int r = rgw_rest_get_json_input_keep_data(s->cct, s, slo_info->entries, max_len, &slo_info->raw_data, &slo_info->raw_data_len);
- if (r < 0) {
- ldout(s->cct, 5) << "failed to read input for slo r=" << r << dendl;
- return r;
- }
-
- if ((int64_t)slo_info->entries.size() > s->cct->_conf->rgw_max_slo_entries) {
- ldout(s->cct, 5) << "too many entries in slo request: " << slo_info->entries.size() << dendl;
- return -EINVAL;
- }
-
- MD5 etag_sum;
- uint64_t total_size = 0;
- for (const auto& entry : slo_info->entries) {
- etag_sum.Update((const byte *)entry.etag.c_str(),
- entry.etag.length());
- total_size += entry.size_bytes;
-
- ldout(s->cct, 20) << "slo_part: " << entry.path
- << " size=" << entry.size_bytes
- << " etag=" << entry.etag
- << dendl;
- }
- complete_etag(etag_sum, &lo_etag);
- slo_info->total_size = total_size;
-
- ofs = slo_info->raw_data_len;
- }
-
- return RGWPutObj_ObjStore::get_params();
-}
-
-void RGWPutObj_ObjStore_SWIFT::send_response()
-{
- const auto meta_ret = handle_metadata_errors(s, op_ret);
- if (meta_ret) {
- op_ret = meta_ret;
- } else {
- if (!op_ret) {
- op_ret = STATUS_CREATED;
- }
- set_req_state_err(s, op_ret);
- }
-
- if (! lo_etag.empty()) {
- /* Static Large Object of Swift API has two etags represented by
- * following members:
- * - etag - for the manifest itself (it will be stored in xattrs),
- * - lo_etag - for the content composited from SLO's segments.
- * The value is calculated basing on segments' etags.
- * In response for PUT request we have to expose the second one.
- * The first one may be obtained by GET with "multipart-manifest=get"
- * in query string on a given SLO. */
- dump_etag(s, lo_etag, true /* quoted */);
- } else {
- dump_etag(s, etag);
- }
-
- dump_last_modified(s, mtime);
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, this);
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-static int get_swift_account_settings(req_state * const s,
- RGWRados * const store,
- RGWAccessControlPolicy_SWIFTAcct * const policy,
- bool * const has_policy)
-{
- *has_policy = false;
-
- const char * const acl_attr = s->info.env->get("HTTP_X_ACCOUNT_ACCESS_CONTROL");
- if (acl_attr) {
- RGWAccessControlPolicy_SWIFTAcct swift_acct_policy(s->cct);
- const bool r = swift_acct_policy.create(store,
- s->user->user_id,
- s->user->display_name,
- string(acl_attr));
- if (r != true) {
- return -EINVAL;
- }
-
- *policy = swift_acct_policy;
- *has_policy = true;
- }
-
- return 0;
-}
-
-int RGWPutMetadataAccount_ObjStore_SWIFT::get_params()
-{
- if (s->has_bad_meta) {
- return -EINVAL;
- }
-
- int ret = get_swift_account_settings(s,
- store,
- // FIXME: we need to carry unique_ptr in generic class
- // and allocate appropriate ACL class in the ctor
- static_cast<RGWAccessControlPolicy_SWIFTAcct *>(&policy),
- &has_policy);
- if (ret < 0) {
- return ret;
- }
-
- get_rmattrs_from_headers(s, ACCT_PUT_ATTR_PREFIX, ACCT_REMOVE_ATTR_PREFIX,
- rmattr_names);
- return 0;
-}
-
-void RGWPutMetadataAccount_ObjStore_SWIFT::send_response()
-{
- const auto meta_ret = handle_metadata_errors(s, op_ret);
- if (meta_ret != op_ret) {
- op_ret = meta_ret;
- } else {
- if (!op_ret) {
- op_ret = STATUS_NO_CONTENT;
- }
- set_req_state_err(s, op_ret);
- }
-
- dump_errno(s);
- end_header(s, this);
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-int RGWPutMetadataBucket_ObjStore_SWIFT::get_params()
-{
- if (s->has_bad_meta) {
- return -EINVAL;
- }
-
- int r = get_swift_container_settings(s, store, &policy, &has_policy,
- &policy_rw_mask, &cors_config, &has_cors);
- if (r < 0) {
- return r;
- }
-
- get_rmattrs_from_headers(s, CONT_PUT_ATTR_PREFIX, CONT_REMOVE_ATTR_PREFIX,
- rmattr_names);
- placement_rule = s->info.env->get("HTTP_X_STORAGE_POLICY", "");
-
- return get_swift_versioning_settings(s, swift_ver_location);
-}
-
-void RGWPutMetadataBucket_ObjStore_SWIFT::send_response()
-{
- const auto meta_ret = handle_metadata_errors(s, op_ret);
- if (meta_ret != op_ret) {
- op_ret = meta_ret;
- } else {
- if (!op_ret && (op_ret != -EINVAL)) {
- op_ret = STATUS_NO_CONTENT;
- }
- set_req_state_err(s, op_ret);
- }
-
- dump_errno(s);
- end_header(s, this);
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-int RGWPutMetadataObject_ObjStore_SWIFT::get_params()
-{
- if (s->has_bad_meta) {
- return -EINVAL;
- }
-
- /* Handle Swift object expiration. */
- int r = get_delete_at_param(s, delete_at);
- if (r < 0) {
- ldout(s->cct, 5) << "ERROR: failed to get Delete-At param" << dendl;
- return r;
- }
-
- placement_rule = s->info.env->get("HTTP_X_STORAGE_POLICY", "");
- dlo_manifest = s->info.env->get("HTTP_X_OBJECT_MANIFEST");
-
- return 0;
-}
-
-void RGWPutMetadataObject_ObjStore_SWIFT::send_response()
-{
- const auto meta_ret = handle_metadata_errors(s, op_ret);
- if (meta_ret != op_ret) {
- op_ret = meta_ret;
- } else {
- if (!op_ret) {
- op_ret = STATUS_ACCEPTED;
- }
- set_req_state_err(s, op_ret);
- }
-
- if (!s->is_err()) {
- dump_content_length(s, 0);
- }
-
- dump_errno(s);
- end_header(s, this);
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-static void bulkdelete_respond(const unsigned num_deleted,
- const unsigned int num_unfound,
- const std::list<RGWBulkDelete::fail_desc_t>& failures,
- const int prot_flags, /* in */
- ceph::Formatter& formatter) /* out */
-{
- formatter.open_object_section("delete");
-
- string resp_status;
- string resp_body;
-
- if (!failures.empty()) {
- int reason = ERR_INVALID_REQUEST;
- for (const auto fail_desc : failures) {
- if (-ENOENT != fail_desc.err && -EACCES != fail_desc.err) {
- reason = fail_desc.err;
- }
- }
- rgw_err err;
- set_req_state_err(err, reason, prot_flags);
- dump_errno(err, resp_status);
- } else if (0 == num_deleted && 0 == num_unfound) {
- /* 400 Bad Request */
- dump_errno(400, resp_status);
- resp_body = "Invalid bulk delete.";
- } else {
- /* 200 OK */
- dump_errno(200, resp_status);
- }
-
- encode_json("Number Deleted", num_deleted, &formatter);
- encode_json("Number Not Found", num_unfound, &formatter);
- encode_json("Response Body", resp_body, &formatter);
- encode_json("Response Status", resp_status, &formatter);
-
- formatter.open_array_section("Errors");
- for (const auto fail_desc : failures) {
- formatter.open_array_section("object");
-
- stringstream ss_name;
- ss_name << fail_desc.path;
- encode_json("Name", ss_name.str(), &formatter);
-
- rgw_err err;
- set_req_state_err(err, fail_desc.err, prot_flags);
- string status;
- dump_errno(err, status);
- encode_json("Status", status, &formatter);
- formatter.close_section();
- }
- formatter.close_section();
-
- formatter.close_section();
-}
-
-int RGWDeleteObj_ObjStore_SWIFT::verify_permission()
-{
- op_ret = RGWDeleteObj_ObjStore::verify_permission();
-
- /* We have to differentiate error codes depending on whether user is
- * anonymous (401 Unauthorized) or he doesn't have necessary permissions
- * (403 Forbidden). */
- if (s->auth.identity->is_anonymous() && op_ret == -EACCES) {
- return -EPERM;
- } else {
- return op_ret;
- }
-}
-
-int RGWDeleteObj_ObjStore_SWIFT::get_params()
-{
- const string& mm = s->info.args.get("multipart-manifest");
- multipart_delete = (mm.compare("delete") == 0);
-
- return RGWDeleteObj_ObjStore::get_params();
-}
-
-void RGWDeleteObj_ObjStore_SWIFT::send_response()
-{
- int r = op_ret;
-
- if (multipart_delete) {
- r = 0;
- } else if(!r) {
- r = STATUS_NO_CONTENT;
- }
-
- set_req_state_err(s, r);
- dump_errno(s);
-
- if (multipart_delete) {
- end_header(s, this /* RGWOp */, nullptr /* contype */,
- CHUNKED_TRANSFER_ENCODING);
-
- if (deleter) {
- bulkdelete_respond(deleter->get_num_deleted(),
- deleter->get_num_unfound(),
- deleter->get_failures(),
- s->prot_flags,
- *s->formatter);
- } else if (-ENOENT == op_ret) {
- bulkdelete_respond(0, 1, {}, s->prot_flags, *s->formatter);
- } else {
- RGWBulkDelete::acct_path_t path;
- path.bucket_name = s->bucket_name;
- path.obj_key = s->object;
-
- RGWBulkDelete::fail_desc_t fail_desc;
- fail_desc.err = op_ret;
- fail_desc.path = path;
-
- bulkdelete_respond(0, 0, { fail_desc }, s->prot_flags, *s->formatter);
- }
- } else {
- end_header(s, this);
- }
-
- rgw_flush_formatter_and_reset(s, s->formatter);
-
-}
-
-static void get_contype_from_attrs(map<string, bufferlist>& attrs,
- string& content_type)
-{
- map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_CONTENT_TYPE);
- if (iter != attrs.end()) {
- content_type = iter->second.c_str();
- }
-}
-
-static void dump_object_metadata(struct req_state * const s,
- map<string, bufferlist> attrs)
-{
- map<string, string> response_attrs;
-
- for (auto kv : attrs) {
- const char * name = kv.first.c_str();
- const auto aiter = rgw_to_http_attrs.find(name);
-
- if (aiter != std::end(rgw_to_http_attrs)) {
- response_attrs[aiter->second] = kv.second.c_str();
- } else if (strcmp(name, RGW_ATTR_SLO_UINDICATOR) == 0) {
- // this attr has an extra length prefix from ::encode() in prior versions
- dump_header(s, "X-Object-Meta-Static-Large-Object", "True");
- } else if (strncmp(name, RGW_ATTR_META_PREFIX,
- sizeof(RGW_ATTR_META_PREFIX)-1) == 0) {
- name += sizeof(RGW_ATTR_META_PREFIX) - 1;
- dump_header_prefixed(s, "X-Object-Meta-",
- camelcase_dash_http_attr(name), kv.second);
- }
- }
-
- /* Handle override and fallback for Content-Disposition HTTP header.
- * At the moment this will be used only by TempURL of the Swift API. */
- const auto cditer = rgw_to_http_attrs.find(RGW_ATTR_CONTENT_DISP);
- if (cditer != std::end(rgw_to_http_attrs)) {
- const auto& name = cditer->second;
-
- if (!s->content_disp.override.empty()) {
- response_attrs[name] = s->content_disp.override;
- } else if (!s->content_disp.fallback.empty()
- && response_attrs.find(name) == std::end(response_attrs)) {
- response_attrs[name] = s->content_disp.fallback;
- }
- }
-
- for (const auto kv : response_attrs) {
- dump_header(s, kv.first, kv.second);
- }
-
- const auto iter = attrs.find(RGW_ATTR_DELETE_AT);
- if (iter != std::end(attrs)) {
- utime_t delete_at;
- try {
- ::decode(delete_at, iter->second);
- if (!delete_at.is_zero()) {
- dump_header(s, "X-Delete-At", delete_at.sec());
- }
- } catch (buffer::error& err) {
- ldout(s->cct, 0) << "ERROR: cannot decode object's " RGW_ATTR_DELETE_AT
- " attr, ignoring"
- << dendl;
- }
- }
-}
-
-int RGWCopyObj_ObjStore_SWIFT::init_dest_policy()
-{
- dest_policy.create_default(s->user->user_id, s->user->display_name);
-
- return 0;
-}
-
-int RGWCopyObj_ObjStore_SWIFT::get_params()
-{
- if_mod = s->info.env->get("HTTP_IF_MODIFIED_SINCE");
- if_unmod = s->info.env->get("HTTP_IF_UNMODIFIED_SINCE");
- if_match = s->info.env->get("HTTP_COPY_IF_MATCH");
- if_nomatch = s->info.env->get("HTTP_COPY_IF_NONE_MATCH");
-
- src_tenant_name = s->src_tenant_name;
- src_bucket_name = s->src_bucket_name;
- src_object = s->src_object;
- dest_tenant_name = s->bucket_tenant;
- dest_bucket_name = s->bucket_name;
- dest_object = s->object.name;
-
- const char * const fresh_meta = s->info.env->get("HTTP_X_FRESH_METADATA");
- if (fresh_meta && strcasecmp(fresh_meta, "TRUE") == 0) {
- attrs_mod = RGWRados::ATTRSMOD_REPLACE;
- } else {
- attrs_mod = RGWRados::ATTRSMOD_MERGE;
- }
-
- int r = get_delete_at_param(s, delete_at);
- if (r < 0) {
- ldout(s->cct, 5) << "ERROR: failed to get Delete-At param" << dendl;
- return r;
- }
-
- return 0;
-}
-
-void RGWCopyObj_ObjStore_SWIFT::send_partial_response(off_t ofs)
-{
- if (! sent_header) {
- if (! op_ret)
- op_ret = STATUS_CREATED;
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, this);
-
- /* Send progress information. Note that this diverge from the original swift
- * spec. We do this in order to keep connection alive.
- */
- if (op_ret == 0) {
- s->formatter->open_array_section("progress");
- }
- sent_header = true;
- } else {
- s->formatter->dump_int("ofs", (uint64_t)ofs);
- }
- rgw_flush_formatter(s, s->formatter);
-}
-
-void RGWCopyObj_ObjStore_SWIFT::dump_copy_info()
-{
- /* Dump X-Copied-From. */
- dump_header(s, "X-Copied-From", url_encode(src_bucket.name) +
- "/" + url_encode(src_object.name));
-
- /* Dump X-Copied-From-Account. */
- /* XXX tenant */
- dump_header(s, "X-Copied-From-Account", url_encode(s->user->user_id.id));
-
- /* Dump X-Copied-From-Last-Modified. */
- dump_time_header(s, "X-Copied-From-Last-Modified", src_mtime);
-}
-
-void RGWCopyObj_ObjStore_SWIFT::send_response()
-{
- if (! sent_header) {
- string content_type;
- if (! op_ret)
- op_ret = STATUS_CREATED;
- set_req_state_err(s, op_ret);
- dump_errno(s);
- dump_etag(s, etag);
- dump_last_modified(s, mtime);
- dump_copy_info();
- get_contype_from_attrs(attrs, content_type);
- dump_object_metadata(s, attrs);
- end_header(s, this, !content_type.empty() ? content_type.c_str()
- : "binary/octet-stream");
- } else {
- s->formatter->close_section();
- rgw_flush_formatter(s, s->formatter);
- }
-}
-
-int RGWGetObj_ObjStore_SWIFT::verify_permission()
-{
- op_ret = RGWGetObj_ObjStore::verify_permission();
-
- /* We have to differentiate error codes depending on whether user is
- * anonymous (401 Unauthorized) or he doesn't have necessary permissions
- * (403 Forbidden). */
- if (s->auth.identity->is_anonymous() && op_ret == -EACCES) {
- return -EPERM;
- } else {
- return op_ret;
- }
-}
-
-int RGWGetObj_ObjStore_SWIFT::get_params()
-{
- const string& mm = s->info.args.get("multipart-manifest");
- skip_manifest = (mm.compare("get") == 0);
-
- return RGWGetObj_ObjStore::get_params();
-}
-
-int RGWGetObj_ObjStore_SWIFT::send_response_data_error()
-{
- std::string error_content;
- op_ret = error_handler(op_ret, &error_content);
- if (! op_ret) {
- /* The error handler has taken care of the error. */
- return 0;
- }
-
- bufferlist error_bl;
- error_bl.append(error_content);
- return send_response_data(error_bl, 0, error_bl.length());
-}
-
-int RGWGetObj_ObjStore_SWIFT::send_response_data(bufferlist& bl,
- const off_t bl_ofs,
- const off_t bl_len)
-{
- string content_type;
-
- if (sent_header) {
- goto send_data;
- }
-
- if (custom_http_ret) {
- set_req_state_err(s, 0);
- dump_errno(s, custom_http_ret);
- } else {
- set_req_state_err(s, (partial_content && !op_ret) ? STATUS_PARTIAL_CONTENT
- : op_ret);
- dump_errno(s);
-
- if (s->is_err()) {
- end_header(s, NULL);
- return 0;
- }
- }
-
- if (range_str) {
- dump_range(s, ofs, end, s->obj_size);
- }
-
- if (s->is_err()) {
- end_header(s, NULL);
- return 0;
- }
-
- dump_content_length(s, total_len);
- dump_last_modified(s, lastmod);
- dump_header(s, "X-Timestamp", utime_t(lastmod));
- if (is_slo) {
- dump_header(s, "X-Static-Large-Object", "True");
- }
-
- if (! op_ret) {
- if (! lo_etag.empty()) {
- dump_etag(s, lo_etag, true /* quoted */);
- } else {
- auto iter = attrs.find(RGW_ATTR_ETAG);
- if (iter != attrs.end()) {
- dump_etag(s, iter->second);
- }
- }
-
- get_contype_from_attrs(attrs, content_type);
- dump_object_metadata(s, attrs);
- }
-
- end_header(s, this, !content_type.empty() ? content_type.c_str()
- : "binary/octet-stream");
-
- sent_header = true;
-
-send_data:
- if (get_data && !op_ret) {
- const auto r = dump_body(s, bl.c_str() + bl_ofs, bl_len);
- if (r < 0) {
- return r;
- }
- }
- rgw_flush_formatter_and_reset(s, s->formatter);
-
- return 0;
-}
-
-void RGWOptionsCORS_ObjStore_SWIFT::send_response()
-{
- string hdrs, exp_hdrs;
- uint32_t max_age = CORS_MAX_AGE_INVALID;
- /*EACCES means, there is no CORS registered yet for the bucket
- *ENOENT means, there is no match of the Origin in the list of CORSRule
- */
- if (op_ret == -ENOENT)
- op_ret = -EACCES;
- if (op_ret < 0) {
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, NULL);
- return;
- }
- get_response_params(hdrs, exp_hdrs, &max_age);
- dump_errno(s);
- dump_access_control(s, origin, req_meth, hdrs.c_str(), exp_hdrs.c_str(),
- max_age);
- end_header(s, NULL);
-}
-
-int RGWBulkDelete_ObjStore_SWIFT::get_data(
- list<RGWBulkDelete::acct_path_t>& items, bool * const is_truncated)
-{
- constexpr size_t MAX_LINE_SIZE = 2048;
-
- RGWClientIOStreamBuf ciosb(static_cast<RGWRestfulIO&>(*(s->cio)),
- size_t(s->cct->_conf->rgw_max_chunk_size));
- istream cioin(&ciosb);
-
- char buf[MAX_LINE_SIZE];
- while (cioin.getline(buf, sizeof(buf))) {
- string path_str(buf);
-
- ldout(s->cct, 20) << "extracted Bulk Delete entry: " << path_str << dendl;
-
- RGWBulkDelete::acct_path_t path;
-
- /* We need to skip all slashes at the beginning in order to preserve
- * compliance with Swift. */
- const size_t start_pos = path_str.find_first_not_of('/');
-
- if (string::npos != start_pos) {
- /* Seperator is the first slash after the leading ones. */
- const size_t sep_pos = path_str.find('/', start_pos);
-
- if (string::npos != sep_pos) {
- path.bucket_name = url_decode(path_str.substr(start_pos,
- sep_pos - start_pos));
- path.obj_key = url_decode(path_str.substr(sep_pos + 1));
- } else {
- /* It's guaranteed here that bucket name is at least one character
- * long and is different than slash. */
- path.bucket_name = url_decode(path_str.substr(start_pos));
- }
-
- items.push_back(path);
- }
-
- if (items.size() == MAX_CHUNK_ENTRIES) {
- *is_truncated = true;
- return 0;
- }
- }
-
- *is_truncated = false;
- return 0;
-}
-
-void RGWBulkDelete_ObjStore_SWIFT::send_response()
-{
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, this /* RGWOp */, nullptr /* contype */,
- CHUNKED_TRANSFER_ENCODING);
-
- bulkdelete_respond(deleter->get_num_deleted(),
- deleter->get_num_unfound(),
- deleter->get_failures(),
- s->prot_flags,
- *s->formatter);
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-
-std::unique_ptr<RGWBulkUploadOp::StreamGetter>
-RGWBulkUploadOp_ObjStore_SWIFT::create_stream()
-{
- class SwiftStreamGetter : public StreamGetter {
- const size_t conlen;
- size_t curpos;
- req_state* const s;
-
- public:
- SwiftStreamGetter(req_state* const s, const size_t conlen)
- : conlen(conlen),
- curpos(0),
- s(s) {
- }
-
- ssize_t get_at_most(size_t want, ceph::bufferlist& dst) override {
- /* maximum requested by a caller */
- /* data provided by client */
- /* RadosGW's limit. */
- const size_t max_chunk_size = \
- static_cast<size_t>(s->cct->_conf->rgw_max_chunk_size);
- const size_t max_to_read = std::min({ want, conlen - curpos, max_chunk_size });
-
- ldout(s->cct, 20) << "bulk_upload: get_at_most max_to_read="
- << max_to_read
- << ", dst.c_str()=" << reinterpret_cast<intptr_t>(dst.c_str()) << dendl;
-
- bufferptr bp(max_to_read);
- const auto read_len = recv_body(s, bp.c_str(), max_to_read);
- dst.append(bp, 0, read_len);
- //const auto read_len = recv_body(s, dst.c_str(), max_to_read);
- if (read_len < 0) {
- return read_len;
- }
-
- curpos += read_len;
- return curpos > s->cct->_conf->rgw_max_put_size ? -ERR_TOO_LARGE
- : read_len;
- }
-
- ssize_t get_exactly(size_t want, ceph::bufferlist& dst) override {
- ldout(s->cct, 20) << "bulk_upload: get_exactly want=" << want << dendl;
-
- /* FIXME: do this in a loop. */
- const auto ret = get_at_most(want, dst);
- ldout(s->cct, 20) << "bulk_upload: get_exactly ret=" << ret << dendl;
- if (ret < 0) {
- return ret;
- } else if (static_cast<size_t>(ret) != want) {
- return -EINVAL;
- } else {
- return want;
- }
- }
- };
-
- if (! s->length) {
- op_ret = -EINVAL;
- return nullptr;
- } else {
- ldout(s->cct, 20) << "bulk upload: create_stream for length="
- << s->length << dendl;
-
- const size_t conlen = atoll(s->length);
- return std::unique_ptr<SwiftStreamGetter>(new SwiftStreamGetter(s, conlen));
- }
-}
-
-void RGWBulkUploadOp_ObjStore_SWIFT::send_response()
-{
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, this /* RGWOp */, nullptr /* contype */,
- CHUNKED_TRANSFER_ENCODING);
- rgw_flush_formatter_and_reset(s, s->formatter);
-
- s->formatter->open_object_section("delete");
-
- std::string resp_status;
- std::string resp_body;
-
- if (! failures.empty()) {
- rgw_err err;
-
- const auto last_err = { failures.back().err };
- if (boost::algorithm::contains(last_err, terminal_errors)) {
- /* The terminal errors are affecting the status of the whole upload. */
- set_req_state_err(err, failures.back().err, s->prot_flags);
- } else {
- set_req_state_err(err, ERR_INVALID_REQUEST, s->prot_flags);
- }
-
- dump_errno(err, resp_status);
- } else if (0 == num_created && failures.empty()) {
- /* Nothing created, nothing failed. This means the archive contained no
- * entity we could understand (regular file or directory). We need to
- * send 400 Bad Request to an HTTP client in the internal status field. */
- dump_errno(400, resp_status);
- resp_body = "Invalid Tar File: No Valid Files";
- } else {
- /* 200 OK */
- dump_errno(201, resp_status);
- }
-
- encode_json("Number Files Created", num_created, s->formatter);
- encode_json("Response Body", resp_body, s->formatter);
- encode_json("Response Status", resp_status, s->formatter);
-
- s->formatter->open_array_section("Errors");
- for (const auto& fail_desc : failures) {
- s->formatter->open_array_section("object");
-
- encode_json("Name", fail_desc.path, s->formatter);
-
- rgw_err err;
- set_req_state_err(err, fail_desc.err, s->prot_flags);
- std::string status;
- dump_errno(err, status);
- encode_json("Status", status, s->formatter);
-
- s->formatter->close_section();
- }
- s->formatter->close_section();
-
- s->formatter->close_section();
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-
-void RGWGetCrossDomainPolicy_ObjStore_SWIFT::send_response()
-{
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, this, "application/xml");
-
- std::stringstream ss;
-
- ss << R"(<?xml version="1.0"?>)" << "\n"
- << R"(<!DOCTYPE cross-domain-policy SYSTEM )"
- << R"("http://www.adobe.com/xml/dtds/cross-domain-policy.dtd" >)" << "\n"
- << R"(<cross-domain-policy>)" << "\n"
- << g_conf->rgw_cross_domain_policy << "\n"
- << R"(</cross-domain-policy>)";
-
- dump_body(s, ss.str());
-}
-
-void RGWGetHealthCheck_ObjStore_SWIFT::send_response()
-{
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, this, "application/xml");
-
- if (op_ret) {
- static constexpr char DISABLED[] = "DISABLED BY FILE";
- dump_body(s, DISABLED, strlen(DISABLED));
- }
-}
-
-const vector<pair<string, RGWInfo_ObjStore_SWIFT::info>> RGWInfo_ObjStore_SWIFT::swift_info =
-{
- {"bulk_delete", {false, nullptr}},
- {"container_quotas", {false, nullptr}},
- {"swift", {false, RGWInfo_ObjStore_SWIFT::list_swift_data}},
- {"tempurl", { false, RGWInfo_ObjStore_SWIFT::list_tempurl_data}},
- {"slo", {false, RGWInfo_ObjStore_SWIFT::list_slo_data}},
- {"account_quotas", {false, nullptr}},
- {"staticweb", {false, nullptr}},
- {"tempauth", {false, RGWInfo_ObjStore_SWIFT::list_tempauth_data}},
-};
-
-void RGWInfo_ObjStore_SWIFT::execute()
-{
- bool is_admin_info_enabled = false;
-
- const string& swiftinfo_sig = s->info.args.get("swiftinfo_sig");
- const string& swiftinfo_expires = s->info.args.get("swiftinfo_expires");
-
- if (!swiftinfo_sig.empty() &&
- !swiftinfo_expires.empty() &&
- !is_expired(swiftinfo_expires, s->cct)) {
- is_admin_info_enabled = true;
- }
-
- s->formatter->open_object_section("info");
-
- for (const auto& pair : swift_info) {
- if(!is_admin_info_enabled && pair.second.is_admin_info)
- continue;
-
- if (!pair.second.list_data) {
- s->formatter->open_object_section((pair.first).c_str());
- s->formatter->close_section();
- }
- else {
- pair.second.list_data(*(s->formatter), *(s->cct->_conf), *store);
- }
- }
-
- s->formatter->close_section();
-}
-
-void RGWInfo_ObjStore_SWIFT::send_response()
-{
- if (op_ret < 0) {
- op_ret = STATUS_NO_CONTENT;
- }
- set_req_state_err(s, op_ret);
- dump_errno(s);
- end_header(s, this);
- rgw_flush_formatter_and_reset(s, s->formatter);
-}
-
-void RGWInfo_ObjStore_SWIFT::list_swift_data(Formatter& formatter,
- const md_config_t& config,
- RGWRados& store)
-{
- formatter.open_object_section("swift");
- formatter.dump_int("max_file_size", config.rgw_max_put_size);
- formatter.dump_int("container_listing_limit", RGW_LIST_BUCKETS_LIMIT_MAX);
-
- string ceph_version(CEPH_GIT_NICE_VER);
- formatter.dump_string("version", ceph_version);
-
- const size_t max_attr_name_len = \
- g_conf->get_val<size_t>("rgw_max_attr_name_len");
- if (max_attr_name_len) {
- const size_t meta_name_limit = \
- max_attr_name_len - strlen(RGW_ATTR_PREFIX RGW_AMZ_META_PREFIX);
- formatter.dump_int("max_meta_name_length", meta_name_limit);
- }
-
- const size_t meta_value_limit = g_conf->get_val<size_t>("rgw_max_attr_size");
- if (meta_value_limit) {
- formatter.dump_int("max_meta_value_length", meta_value_limit);
- }
-
- const size_t meta_num_limit = \
- g_conf->get_val<size_t>("rgw_max_attrs_num_in_req");
- if (meta_num_limit) {
- formatter.dump_int("max_meta_count", meta_num_limit);
- }
-
- formatter.open_array_section("policies");
- RGWZoneGroup& zonegroup = store.get_zonegroup();
-
- for (const auto& placement_targets : zonegroup.placement_targets) {
- formatter.open_object_section("policy");
- if (placement_targets.second.name.compare(zonegroup.default_placement) == 0)
- formatter.dump_bool("default", true);
- formatter.dump_string("name", placement_targets.second.name.c_str());
- formatter.close_section();
- }
- formatter.close_section();
-
- formatter.dump_int("max_object_name_size", RGWHandler_REST::MAX_OBJ_NAME_LEN);
- formatter.dump_bool("strict_cors_mode", true);
- formatter.dump_int("max_container_name_length", RGWHandler_REST::MAX_BUCKET_NAME_LEN);
- formatter.close_section();
-}
-
-void RGWInfo_ObjStore_SWIFT::list_tempauth_data(Formatter& formatter,
- const md_config_t& config,
- RGWRados& store)
-{
- formatter.open_object_section("tempauth");
- formatter.dump_bool("account_acls", true);
- formatter.close_section();
-}
-void RGWInfo_ObjStore_SWIFT::list_tempurl_data(Formatter& formatter,
- const md_config_t& config,
- RGWRados& store)
-{
- formatter.open_object_section("tempurl");
- formatter.open_array_section("methods");
- formatter.dump_string("methodname", "GET");
- formatter.dump_string("methodname", "HEAD");
- formatter.dump_string("methodname", "PUT");
- formatter.dump_string("methodname", "POST");
- formatter.dump_string("methodname", "DELETE");
- formatter.close_section();
- formatter.close_section();
-}
-
-void RGWInfo_ObjStore_SWIFT::list_slo_data(Formatter& formatter,
- const md_config_t& config,
- RGWRados& store)
-{
- formatter.open_object_section("slo");
- formatter.dump_int("max_manifest_segments", config.rgw_max_slo_entries);
- formatter.close_section();
-}
-
-bool RGWInfo_ObjStore_SWIFT::is_expired(const std::string& expires, CephContext* cct)
-{
- string err;
- const utime_t now = ceph_clock_now();
- const uint64_t expiration = (uint64_t)strict_strtoll(expires.c_str(),
- 10, &err);
- if (!err.empty()) {
- ldout(cct, 5) << "failed to parse siginfo_expires: " << err << dendl;
- return true;
- }
-
- if (expiration <= (uint64_t)now.sec()) {
- ldout(cct, 5) << "siginfo expired: " << expiration << " <= " << now.sec() << dendl;
- return true;
- }
-
- return false;
-}
-
-
-void RGWFormPost::init(RGWRados* const store,
- req_state* const s,
- RGWHandler* const dialect_handler)
-{
- prefix = std::move(s->object.name);
- s->object = rgw_obj_key();
-
- return RGWPostObj_ObjStore::init(store, s, dialect_handler);
-}
-
-std::size_t RGWFormPost::get_max_file_size() /*const*/
-{
- std::string max_str = get_part_str(ctrl_parts, "max_file_size", "0");
-
- std::string err;
- const std::size_t max_file_size =
- static_cast<uint64_t>(strict_strtoll(max_str.c_str(), 10, &err));
-
- if (! err.empty()) {
- ldout(s->cct, 5) << "failed to parse FormPost's max_file_size: " << err
- << dendl;
- return 0;
- }
-
- return max_file_size;
-}
-
-bool RGWFormPost::is_non_expired()
-{
- std::string expires = get_part_str(ctrl_parts, "expires", "0");
-
- std::string err;
- const uint64_t expires_timestamp =
- static_cast<uint64_t>(strict_strtoll(expires.c_str(), 10, &err));
-
- if (! err.empty()) {
- dout(5) << "failed to parse FormPost's expires: " << err << dendl;
- return false;
- }
-
- const utime_t now = ceph_clock_now();
- if (expires_timestamp <= static_cast<uint64_t>(now.sec())) {
- dout(5) << "FormPost form expired: "
- << expires_timestamp << " <= " << now.sec() << dendl;
- return false;
- }
-
- return true;
-}
-
-bool RGWFormPost::is_integral()
-{
- const std::string form_signature = get_part_str(ctrl_parts, "signature");
-
- try {
- get_owner_info(s, *s->user);
- s->auth.identity = rgw::auth::transform_old_authinfo(s);
- } catch (...) {
- ldout(s->cct, 5) << "cannot get user_info of account's owner" << dendl;
- return false;
- }
-
- for (const auto& kv : s->user->temp_url_keys) {
- const int temp_url_key_num = kv.first;
- const string& temp_url_key = kv.second;
-
- if (temp_url_key.empty()) {
- continue;
- }
-
- SignatureHelper sig_helper;
- sig_helper.calc(temp_url_key,
- s->info.request_uri,
- get_part_str(ctrl_parts, "redirect"),
- get_part_str(ctrl_parts, "max_file_size", "0"),
- get_part_str(ctrl_parts, "max_file_count", "0"),
- get_part_str(ctrl_parts, "expires", "0"));
-
- const auto local_sig = sig_helper.get_signature();
-
- ldout(s->cct, 20) << "FormPost signature [" << temp_url_key_num << "]"
- << " (calculated): " << local_sig << dendl;
-
- if (sig_helper.is_equal_to(form_signature)) {
- return true;
- } else {
- ldout(s->cct, 5) << "FormPost's signature mismatch: "
- << local_sig << " != " << form_signature << dendl;
- }
- }
-
- return false;
-}
-
-void RGWFormPost::get_owner_info(const req_state* const s,
- RGWUserInfo& owner_info) const
-{
- /* We cannot use req_state::bucket_name because it isn't available
- * now. It will be initialized in RGWHandler_REST_SWIFT::postauth_init(). */
- const string& bucket_name = s->init_state.url_bucket;
-
- /* TempURL in Formpost only requires that bucket name is specified. */
- if (bucket_name.empty()) {
- throw -EPERM;
- }
-
- string bucket_tenant;
- if (!s->account_name.empty()) {
- RGWUserInfo uinfo;
- bool found = false;
-
- const rgw_user uid(s->account_name);
- if (uid.tenant.empty()) {
- const rgw_user tenanted_uid(uid.id, uid.id);
-
- if (rgw_get_user_info_by_uid(store, tenanted_uid, uinfo) >= 0) {
- /* Succeeded. */
- bucket_tenant = uinfo.user_id.tenant;
- found = true;
- }
- }
-
- if (!found && rgw_get_user_info_by_uid(store, uid, uinfo) < 0) {
- throw -EPERM;
- } else {
- bucket_tenant = uinfo.user_id.tenant;
- }
- }
-
- /* Need to get user info of bucket owner. */
- RGWBucketInfo bucket_info;
- int ret = store->get_bucket_info(*static_cast<RGWObjectCtx *>(s->obj_ctx),
- bucket_tenant, bucket_name,
- bucket_info, nullptr);
- if (ret < 0) {
- throw ret;
- }
-
- ldout(s->cct, 20) << "temp url user (bucket owner): " << bucket_info.owner
- << dendl;
-
- if (rgw_get_user_info_by_uid(store, bucket_info.owner, owner_info) < 0) {
- throw -EPERM;
- }
-}
-
-int RGWFormPost::get_params()
-{
- /* The parentt class extracts boundary info from the Content-Type. */
- int ret = RGWPostObj_ObjStore::get_params();
- if (ret < 0) {
- return ret;
- }
-
- policy.create_default(s->user->user_id, s->user->display_name);
-
- /* Let's start parsing the HTTP body by parsing each form part step-
- * by-step till encountering the first part with file data. */
- do {
- struct post_form_part part;
- ret = read_form_part_header(&part, stream_done);
- if (ret < 0) {
- return ret;
- }
-
- if (s->cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) {
- ldout(s->cct, 20) << "read part header -- part.name="
- << part.name << dendl;
-
- for (const auto& pair : part.fields) {
- ldout(s->cct, 20) << "field.name=" << pair.first << dendl;
- ldout(s->cct, 20) << "field.val=" << pair.second.val << dendl;
- ldout(s->cct, 20) << "field.params:" << dendl;
-
- for (const auto& param_pair : pair.second.params) {
- ldout(s->cct, 20) << " " << param_pair.first
- << " -> " << param_pair.second << dendl;
- }
- }
- }
-
- if (stream_done) {
- /* Unexpected here. */
- err_msg = "Malformed request";
- return -EINVAL;
- }
-
- const auto field_iter = part.fields.find("Content-Disposition");
- if (std::end(part.fields) != field_iter &&
- std::end(field_iter->second.params) != field_iter->second.params.find("filename")) {
- /* First data part ahead. */
- current_data_part = std::move(part);
-
- /* Stop the iteration. We can assume that all control parts have been
- * already parsed. The rest of HTTP body should contain data parts
- * only. They will be picked up by ::get_data(). */
- break;
- } else {
- /* Control part ahead. Receive, parse and store for later usage. */
- bool boundary;
- ret = read_data(part.data, s->cct->_conf->rgw_max_chunk_size,
- boundary, stream_done);
- if (ret < 0) {
- return ret;
- } else if (! boundary) {
- err_msg = "Couldn't find boundary";
- return -EINVAL;
- }
-
- ctrl_parts[part.name] = std::move(part);
- }
- } while (! stream_done);
-
- min_len = 0;
- max_len = get_max_file_size();
-
- if (! current_data_part) {
- err_msg = "FormPost: no files to process";
- return -EINVAL;
- }
-
- if (! is_non_expired()) {
- err_msg = "FormPost: Form Expired";
- return -EPERM;
- }
-
- if (! is_integral()) {
- err_msg = "FormPost: Invalid Signature";
- return -EPERM;
- }
-
- return 0;
-}
-
-std::string RGWFormPost::get_current_filename() const
-{
- try {
- const auto& field = current_data_part->fields.at("Content-Disposition");
- const auto iter = field.params.find("filename");
-
- if (std::end(field.params) != iter) {
- return prefix + iter->second;
- }
- } catch (std::out_of_range&) {
- /* NOP */;
- }
-
- return prefix;
-}
-
-std::string RGWFormPost::get_current_content_type() const
-{
- try {
- const auto& field = current_data_part->fields.at("Content-Type");
- return field.val;
- } catch (std::out_of_range&) {
- /* NOP */;
- }
-
- return std::string();
-}
-
-bool RGWFormPost::is_next_file_to_upload()
-{
- if (! stream_done) {
- /* We have at least one additional part in the body. */
- struct post_form_part part;
- int r = read_form_part_header(&part, stream_done);
- if (r < 0) {
- return false;
- }
-
- const auto field_iter = part.fields.find("Content-Disposition");
- if (std::end(part.fields) != field_iter) {
- const auto& params = field_iter->second.params;
- const auto& filename_iter = params.find("filename");
-
- if (std::end(params) != filename_iter && ! filename_iter->second.empty()) {
- current_data_part = std::move(part);
- return true;
- }
- }
- }
-
- return false;
-}
-
-int RGWFormPost::get_data(ceph::bufferlist& bl, bool& again)
-{
- bool boundary;
-
- int r = read_data(bl, s->cct->_conf->rgw_max_chunk_size,
- boundary, stream_done);
- if (r < 0) {
- return r;
- }
-
- /* Tell RGWPostObj::execute() that it has some data to put. */
- again = !boundary;
-
- return bl.length();
-}
-
-void RGWFormPost::send_response()
-{
- std::string redirect = get_part_str(ctrl_parts, "redirect");
- if (! redirect.empty()) {
- op_ret = STATUS_REDIRECT;
- }
-
- set_req_state_err(s, op_ret);
- s->err.err_code = err_msg;
- dump_errno(s);
- if (! redirect.empty()) {
- dump_redirect(s, redirect);
- }
- end_header(s, this);
-}
-
-bool RGWFormPost::is_formpost_req(req_state* const s)
-{
- std::string content_type;
- std::map<std::string, std::string> params;
-
- parse_boundary_params(s->info.env->get("CONTENT_TYPE", ""),
- content_type, params);
-
- return boost::algorithm::iequals(content_type, "multipart/form-data") &&
- params.count("boundary") > 0;
-}
-
-
-RGWOp *RGWHandler_REST_Service_SWIFT::op_get()
-{
- return new RGWListBuckets_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Service_SWIFT::op_head()
-{
- return new RGWStatAccount_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Service_SWIFT::op_put()
-{
- if (s->info.args.exists("extract-archive")) {
- return new RGWBulkUploadOp_ObjStore_SWIFT;
- }
- return nullptr;
-}
-
-RGWOp *RGWHandler_REST_Service_SWIFT::op_post()
-{
- if (s->info.args.exists("bulk-delete")) {
- return new RGWBulkDelete_ObjStore_SWIFT;
- }
- return new RGWPutMetadataAccount_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Service_SWIFT::op_delete()
-{
- if (s->info.args.exists("bulk-delete")) {
- return new RGWBulkDelete_ObjStore_SWIFT;
- }
- return NULL;
-}
-
-int RGWSwiftWebsiteHandler::serve_errordoc(const int http_ret,
- const std::string error_doc)
-{
- /* Try to throw it all away. */
- s->formatter->reset();
-
- class RGWGetErrorPage : public RGWGetObj_ObjStore_SWIFT {
- public:
- RGWGetErrorPage(RGWRados* const store,
- RGWHandler_REST* const handler,
- req_state* const s,
- const int http_ret) {
- /* Calling a virtual from the base class is safe as the subobject should
- * be properly initialized and we haven't overridden the init method. */
- init(store, s, handler);
- set_get_data(true);
- set_custom_http_response(http_ret);
- }
-
- int error_handler(const int err_no,
- std::string* const error_content) override {
- /* Enforce that any error generated while getting the error page will
- * not be send to a client. This allows us to recover from the double
- * fault situation by sending the original message. */
- return 0;
- }
- } get_errpage_op(store, handler, s, http_ret);
-
- s->object = std::to_string(http_ret) + error_doc;
-
- RGWOp* newop = &get_errpage_op;
- RGWRequest req(0);
- return rgw_process_authenticated(handler, newop, &req, s, true);
-}
-
-int RGWSwiftWebsiteHandler::error_handler(const int err_no,
- std::string* const error_content)
-{
- const auto& ws_conf = s->bucket_info.website_conf;
-
- if (can_be_website_req() && ! ws_conf.error_doc.empty()) {
- set_req_state_err(s, err_no);
- return serve_errordoc(s->err.http_ret, ws_conf.error_doc);
- }
-
- /* Let's go to the default, no-op handler. */
- return err_no;
-}
-
-bool RGWSwiftWebsiteHandler::is_web_mode() const
-{
- const boost::string_ref webmode = s->info.env->get("HTTP_X_WEB_MODE", "");
- return boost::algorithm::iequals(webmode, "true");
-}
-
-bool RGWSwiftWebsiteHandler::can_be_website_req() const
-{
- /* Static website works only with the GET or HEAD method. Nothing more. */
- static const std::set<boost::string_ref> ws_methods = { "GET", "HEAD" };
- if (ws_methods.count(s->info.method) == 0) {
- return false;
- }
-
- /* We also need to handle early failures from the auth system. In such cases
- * req_state::auth.identity may be empty. Let's treat that the same way as
- * the anonymous access. */
- if (! s->auth.identity) {
- return true;
- }
-
- /* Swift serves websites only for anonymous requests unless client explicitly
- * requested this behaviour by supplying X-Web-Mode HTTP header set to true. */
- if (s->auth.identity->is_anonymous() || is_web_mode()) {
- return true;
- }
-
- return false;
-}
-
-RGWOp* RGWSwiftWebsiteHandler::get_ws_redirect_op()
-{
- class RGWMovedPermanently: public RGWOp {
- const std::string location;
- public:
- RGWMovedPermanently(const std::string& location)
- : location(location) {
- }
-
- int verify_permission() override {
- return 0;
- }
-
- void execute() override {
- op_ret = -ERR_PERMANENT_REDIRECT;
- return;
- }
-
- void send_response() override {
- set_req_state_err(s, op_ret);
- dump_errno(s);
- dump_content_length(s, 0);
- dump_redirect(s, location);
- end_header(s, this);
- }
-
- const string name() override {
- return "RGWMovedPermanently";
- }
- };
-
- return new RGWMovedPermanently(s->info.request_uri + '/');
-}
-
-RGWOp* RGWSwiftWebsiteHandler::get_ws_index_op()
-{
- /* Retarget to get obj on requested index file. */
- if (! s->object.empty()) {
- s->object = s->object.name +
- s->bucket_info.website_conf.get_index_doc();
- } else {
- s->object = s->bucket_info.website_conf.get_index_doc();
- }
-
- auto getop = new RGWGetObj_ObjStore_SWIFT;
- getop->set_get_data(boost::algorithm::equals("GET", s->info.method));
-
- return getop;
-}
-
-RGWOp* RGWSwiftWebsiteHandler::get_ws_listing_op()
-{
- class RGWWebsiteListing : public RGWListBucket_ObjStore_SWIFT {
- const std::string prefix_override;
-
- int get_params() override {
- prefix = prefix_override;
- max = default_max;
- delimiter = "/";
- return 0;
- }
-
- void send_response() override {
- /* Generate the header now. */
- set_req_state_err(s, op_ret);
- dump_errno(s);
- dump_container_metadata(s, bucket, bucket_quota,
- s->bucket_info.website_conf);
- end_header(s, this, "text/html");
- if (op_ret < 0) {
- return;
- }
-
- /* Now it's the time to start generating HTML bucket listing.
- * All the crazy stuff with crafting tags will be delegated to
- * RGWSwiftWebsiteListingFormatter. */
- std::stringstream ss;
- RGWSwiftWebsiteListingFormatter htmler(ss, prefix);
-
- const auto& ws_conf = s->bucket_info.website_conf;
- htmler.generate_header(s->decoded_uri,
- ws_conf.listing_css_doc);
-
- for (const auto& pair : common_prefixes) {
- std::string subdir_name = pair.first;
- if (! subdir_name.empty()) {
- /* To be compliant with Swift we need to remove the trailing
- * slash. */
- subdir_name.pop_back();
- }
-
- htmler.dump_subdir(subdir_name);
- }
-
- for (const rgw_bucket_dir_entry& obj : objs) {
- if (! common_prefixes.count(obj.key.name + '/')) {
- htmler.dump_object(obj);
- }
- }
-
- htmler.generate_footer();
- dump_body(s, ss.str());
- }
- public:
- /* Taking prefix_override by value to leverage std::string r-value ref
- * ctor and thus avoid extra memory copying/increasing ref counter. */
- RGWWebsiteListing(std::string prefix_override)
- : prefix_override(std::move(prefix_override)) {
- }
- };
-
- std::string prefix = std::move(s->object.name);
- s->object = rgw_obj_key();
-
- return new RGWWebsiteListing(std::move(prefix));
-}
-
-bool RGWSwiftWebsiteHandler::is_web_dir() const
-{
- std::string subdir_name = url_decode(s->object.name);
-
- /* Remove character from the subdir name if it is "/". */
- if (subdir_name.empty()) {
- return false;
- } else if (subdir_name.back() == '/') {
- subdir_name.pop_back();
- }
-
- rgw_obj obj(s->bucket, std::move(subdir_name));
-
- /* First, get attrset of the object we'll try to retrieve. */
- RGWObjectCtx& obj_ctx = *static_cast<RGWObjectCtx *>(s->obj_ctx);
- obj_ctx.obj.set_atomic(obj);
- obj_ctx.obj.set_prefetch_data(obj);
-
- RGWObjState* state = nullptr;
- if (store->get_obj_state(&obj_ctx, s->bucket_info, obj, &state, false) < 0) {
- return false;
- }
-
- /* A nonexistent object cannot be a considered as a marker representing
- * the emulation of catalog in FS hierarchy. */
- if (! state->exists) {
- return false;
- }
-
- /* Decode the content type. */
- std::string content_type;
- get_contype_from_attrs(state->attrset, content_type);
-
- const auto& ws_conf = s->bucket_info.website_conf;
- const std::string subdir_marker = ws_conf.subdir_marker.empty()
- ? "application/directory"
- : ws_conf.subdir_marker;
- return subdir_marker == content_type && state->size <= 1;
-}
-
-bool RGWSwiftWebsiteHandler::is_index_present(const std::string& index)
-{
- rgw_obj obj(s->bucket, index);
-
- RGWObjectCtx& obj_ctx = *static_cast<RGWObjectCtx *>(s->obj_ctx);
- obj_ctx.obj.set_atomic(obj);
- obj_ctx.obj.set_prefetch_data(obj);
-
- RGWObjState* state = nullptr;
- if (store->get_obj_state(&obj_ctx, s->bucket_info, obj, &state, false) < 0) {
- return false;
- }
-
- /* A nonexistent object cannot be a considered as a viable index. We will
- * try to list the bucket or - if this is impossible - return an error. */
- return state->exists;
-}
-
-int RGWSwiftWebsiteHandler::retarget_bucket(RGWOp* op, RGWOp** new_op)
-{
- ldout(s->cct, 10) << "Starting retarget" << dendl;
- RGWOp* op_override = nullptr;
-
- /* In Swift static web content is served if the request is anonymous or
- * has X-Web-Mode HTTP header specified to true. */
- if (can_be_website_req()) {
- const auto& ws_conf = s->bucket_info.website_conf;
- const auto& index = s->bucket_info.website_conf.get_index_doc();
-
- if (s->decoded_uri.back() != '/') {
- op_override = get_ws_redirect_op();
- } else if (! index.empty() && is_index_present(index)) {
- op_override = get_ws_index_op();
- } else if (ws_conf.listing_enabled) {
- op_override = get_ws_listing_op();
- }
- }
-
- if (op_override) {
- handler->put_op(op);
- op_override->init(store, s, handler);
-
- *new_op = op_override;
- } else {
- *new_op = op;
- }
-
- /* Return 404 Not Found is the request has web mode enforced but we static web
- * wasn't able to serve it accordingly. */
- return ! op_override && is_web_mode() ? -ENOENT : 0;
-}
-
-int RGWSwiftWebsiteHandler::retarget_object(RGWOp* op, RGWOp** new_op)
-{
- ldout(s->cct, 10) << "Starting object retarget" << dendl;
- RGWOp* op_override = nullptr;
-
- /* In Swift static web content is served if the request is anonymous or
- * has X-Web-Mode HTTP header specified to true. */
- if (can_be_website_req() && is_web_dir()) {
- const auto& ws_conf = s->bucket_info.website_conf;
- const auto& index = s->bucket_info.website_conf.get_index_doc();
-
- if (s->decoded_uri.back() != '/') {
- op_override = get_ws_redirect_op();
- } else if (! index.empty() && is_index_present(index)) {
- op_override = get_ws_index_op();
- } else if (ws_conf.listing_enabled) {
- op_override = get_ws_listing_op();
- }
- } else {
- /* A regular request or the specified object isn't a subdirectory marker.
- * We don't need any re-targeting. Error handling (like sending a custom
- * error page) will be performed by error_handler of the actual RGWOp. */
- return 0;
- }
-
- if (op_override) {
- handler->put_op(op);
- op_override->init(store, s, handler);
-
- *new_op = op_override;
- } else {
- *new_op = op;
- }
-
- /* Return 404 Not Found if we aren't able to re-target for subdir marker. */
- return ! op_override ? -ENOENT : 0;
-}
-
-
-RGWOp *RGWHandler_REST_Bucket_SWIFT::get_obj_op(bool get_data)
-{
- if (is_acl_op()) {
- return new RGWGetACLs_ObjStore_SWIFT;
- }
-
- if (get_data)
- return new RGWListBucket_ObjStore_SWIFT;
- else
- return new RGWStatBucket_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Bucket_SWIFT::op_get()
-{
- return get_obj_op(true);
-}
-
-RGWOp *RGWHandler_REST_Bucket_SWIFT::op_head()
-{
- return get_obj_op(false);
-}
-
-RGWOp *RGWHandler_REST_Bucket_SWIFT::op_put()
-{
- if (is_acl_op()) {
- return new RGWPutACLs_ObjStore_SWIFT;
- }
- if(s->info.args.exists("extract-archive")) {
- return new RGWBulkUploadOp_ObjStore_SWIFT;
- }
- return new RGWCreateBucket_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Bucket_SWIFT::op_delete()
-{
- return new RGWDeleteBucket_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Bucket_SWIFT::op_post()
-{
- if (RGWFormPost::is_formpost_req(s)) {
- return new RGWFormPost;
- } else {
- return new RGWPutMetadataBucket_ObjStore_SWIFT;
- }
-}
-
-RGWOp *RGWHandler_REST_Bucket_SWIFT::op_options()
-{
- return new RGWOptionsCORS_ObjStore_SWIFT;
-}
-
-
-RGWOp *RGWHandler_REST_Obj_SWIFT::get_obj_op(bool get_data)
-{
- if (is_acl_op()) {
- return new RGWGetACLs_ObjStore_SWIFT;
- }
-
- RGWGetObj_ObjStore_SWIFT *get_obj_op = new RGWGetObj_ObjStore_SWIFT;
- get_obj_op->set_get_data(get_data);
- return get_obj_op;
-}
-
-RGWOp *RGWHandler_REST_Obj_SWIFT::op_get()
-{
- return get_obj_op(true);
-}
-
-RGWOp *RGWHandler_REST_Obj_SWIFT::op_head()
-{
- return get_obj_op(false);
-}
-
-RGWOp *RGWHandler_REST_Obj_SWIFT::op_put()
-{
- if (is_acl_op()) {
- return new RGWPutACLs_ObjStore_SWIFT;
- }
- if(s->info.args.exists("extract-archive")) {
- return new RGWBulkUploadOp_ObjStore_SWIFT;
- }
- if (s->init_state.src_bucket.empty())
- return new RGWPutObj_ObjStore_SWIFT;
- else
- return new RGWCopyObj_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Obj_SWIFT::op_delete()
-{
- return new RGWDeleteObj_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Obj_SWIFT::op_post()
-{
- if (RGWFormPost::is_formpost_req(s)) {
- return new RGWFormPost;
- } else {
- return new RGWPutMetadataObject_ObjStore_SWIFT;
- }
-}
-
-RGWOp *RGWHandler_REST_Obj_SWIFT::op_copy()
-{
- return new RGWCopyObj_ObjStore_SWIFT;
-}
-
-RGWOp *RGWHandler_REST_Obj_SWIFT::op_options()
-{
- return new RGWOptionsCORS_ObjStore_SWIFT;
-}
-
-
-int RGWHandler_REST_SWIFT::authorize()
-{
- return rgw::auth::Strategy::apply(auth_strategy, s);
-}
-
-int RGWHandler_REST_SWIFT::postauth_init()
-{
- struct req_init_state* t = &s->init_state;
-
- /* XXX Stub this until Swift Auth sets account into URL. */
- s->bucket_tenant = s->user->user_id.tenant;
- s->bucket_name = t->url_bucket;
-
- dout(10) << "s->object=" <<
- (!s->object.empty() ? s->object : rgw_obj_key("<NULL>"))
- << " s->bucket="
- << rgw_make_bucket_entry_name(s->bucket_tenant, s->bucket_name)
- << dendl;
-
- int ret;
- ret = rgw_validate_tenant_name(s->bucket_tenant);
- if (ret)
- return ret;
- ret = validate_bucket_name(s->bucket_name);
- if (ret)
- return ret;
- ret = validate_object_name(s->object.name);
- if (ret)
- return ret;
-
- if (!t->src_bucket.empty()) {
- /*
- * We don't allow cross-tenant copy at present. It requires account
- * names in the URL for Swift.
- */
- s->src_tenant_name = s->user->user_id.tenant;
- s->src_bucket_name = t->src_bucket;
-
- ret = validate_bucket_name(s->src_bucket_name);
- if (ret < 0) {
- return ret;
- }
- ret = validate_object_name(s->src_object.name);
- if (ret < 0) {
- return ret;
- }
- }
-
- return 0;
-}
-
-int RGWHandler_REST_SWIFT::validate_bucket_name(const string& bucket)
-{
- const size_t len = bucket.size();
-
- if (len > MAX_BUCKET_NAME_LEN) {
- /* Bucket Name too long. Generate custom error message and bind it
- * to an R-value reference. */
- const auto msg = boost::str(
- boost::format("Container name length of %lld longer than %lld")
- % len % int(MAX_BUCKET_NAME_LEN));
- set_req_state_err(s, ERR_INVALID_BUCKET_NAME, msg);
- return -ERR_INVALID_BUCKET_NAME;
- }
-
- const auto ret = RGWHandler_REST::validate_bucket_name(bucket);
- if (ret < 0) {
- return ret;
- }
-
- if (len == 0)
- return 0;
-
- if (bucket[0] == '.')
- return -ERR_INVALID_BUCKET_NAME;
-
- if (check_utf8(bucket.c_str(), len))
- return -ERR_INVALID_UTF8;
-
- const char *s = bucket.c_str();
-
- for (size_t i = 0; i < len; ++i, ++s) {
- if (*(unsigned char *)s == 0xff)
- return -ERR_INVALID_BUCKET_NAME;
- }
-
- return 0;
-}
-
-static void next_tok(string& str, string& tok, char delim)
-{
- if (str.size() == 0) {
- tok = "";
- return;
- }
- tok = str;
- int pos = str.find(delim);
- if (pos > 0) {
- tok = str.substr(0, pos);
- str = str.substr(pos + 1);
- } else {
- str = "";
- }
-}
-
-int RGWHandler_REST_SWIFT::init_from_header(struct req_state* const s,
- const std::string& frontend_prefix)
-{
- string req;
- string first;
-
- s->prot_flags |= RGW_REST_SWIFT;
-
- char reqbuf[frontend_prefix.length() + s->decoded_uri.length() + 1];
- sprintf(reqbuf, "%s%s", frontend_prefix.c_str(), s->decoded_uri.c_str());
- const char *req_name = reqbuf;
-
- const char *p;
-
- if (*req_name == '?') {
- p = req_name;
- } else {
- p = s->info.request_params.c_str();
- }
-
- s->info.args.set(p);
- s->info.args.parse();
-
- /* Skip the leading slash of URL hierarchy. */
- if (req_name[0] != '/') {
- return 0;
- } else {
- req_name++;
- }
-
- if ('\0' == req_name[0]) {
- return g_conf->rgw_swift_url_prefix == "/" ? -ERR_BAD_URL : 0;
- }
-
- req = req_name;
-
- size_t pos = req.find('/');
- if (std::string::npos != pos && g_conf->rgw_swift_url_prefix != "/") {
- bool cut_url = g_conf->rgw_swift_url_prefix.length();
- first = req.substr(0, pos);
-
- if (first.compare(g_conf->rgw_swift_url_prefix) == 0) {
- if (cut_url) {
- /* Rewind to the "v1/..." part. */
- next_tok(req, first, '/');
- }
- }
- } else if (req.compare(g_conf->rgw_swift_url_prefix) == 0) {
- s->formatter = new RGWFormatter_Plain;
- return -ERR_BAD_URL;
- } else {
- first = req;
- }
-
- std::string tenant_path;
- if (! g_conf->rgw_swift_tenant_name.empty()) {
- tenant_path = "/AUTH_";
- tenant_path.append(g_conf->rgw_swift_tenant_name);
- }
-
- /* verify that the request_uri conforms with what's expected */
- char buf[g_conf->rgw_swift_url_prefix.length() + 16 + tenant_path.length()];
- int blen;
- if (g_conf->rgw_swift_url_prefix == "/") {
- blen = sprintf(buf, "/v1%s", tenant_path.c_str());
- } else {
- blen = sprintf(buf, "/%s/v1%s",
- g_conf->rgw_swift_url_prefix.c_str(), tenant_path.c_str());
- }
-
- if (strncmp(reqbuf, buf, blen) != 0) {
- return -ENOENT;
- }
-
- int ret = allocate_formatter(s, RGW_FORMAT_PLAIN, true);
- if (ret < 0)
- return ret;
-
- string ver;
-
- next_tok(req, ver, '/');
-
- if (!tenant_path.empty() || g_conf->rgw_swift_account_in_url) {
- string account_name;
- next_tok(req, account_name, '/');
-
- /* Erase all pre-defined prefixes like "AUTH_" or "KEY_". */
- const vector<string> skipped_prefixes = { "AUTH_", "KEY_" };
-
- for (const auto pfx : skipped_prefixes) {
- const size_t comp_len = min(account_name.length(), pfx.length());
- if (account_name.compare(0, comp_len, pfx) == 0) {
- /* Prefix is present. Drop it. */
- account_name = account_name.substr(comp_len);
- break;
- }
- }
-
- if (account_name.empty()) {
- return -ERR_PRECONDITION_FAILED;
- } else {
- s->account_name = account_name;
- }
- }
-
- next_tok(req, first, '/');
-
- dout(10) << "ver=" << ver << " first=" << first << " req=" << req << dendl;
- if (first.size() == 0)
- return 0;
-
- s->info.effective_uri = "/" + first;
-
- // Save bucket to tide us over until token is parsed.
- s->init_state.url_bucket = first;
-
- if (req.size()) {
- s->object =
- rgw_obj_key(req, s->info.env->get("HTTP_X_OBJECT_VERSION_ID", "")); /* rgw swift extension */
- s->info.effective_uri.append("/" + s->object.name);
- }
-
- return 0;
-}
-
-int RGWHandler_REST_SWIFT::init(RGWRados* store, struct req_state* s,
- rgw::io::BasicClient *cio)
-{
- struct req_init_state *t = &s->init_state;
-
- s->dialect = "swift";
-
- const char *copy_source = s->info.env->get("HTTP_X_COPY_FROM");
- if (copy_source) {
- bool result = RGWCopyObj::parse_copy_location(copy_source, t->src_bucket,
- s->src_object);
- if (!result)
- return -ERR_BAD_URL;
- }
-
- if (s->op == OP_COPY) {
- const char *req_dest = s->info.env->get("HTTP_DESTINATION");
- if (!req_dest)
- return -ERR_BAD_URL;
-
- string dest_bucket_name;
- rgw_obj_key dest_obj_key;
- bool result =
- RGWCopyObj::parse_copy_location(req_dest, dest_bucket_name,
- dest_obj_key);
- if (!result)
- return -ERR_BAD_URL;
-
- string dest_object = dest_obj_key.name;
-
- /* convert COPY operation into PUT */
- t->src_bucket = t->url_bucket;
- s->src_object = s->object;
- t->url_bucket = dest_bucket_name;
- s->object = rgw_obj_key(dest_object);
- s->op = OP_PUT;
- }
-
- return RGWHandler_REST::init(store, s, cio);
-}
-
-RGWHandler_REST*
-RGWRESTMgr_SWIFT::get_handler(struct req_state* const s,
- const rgw::auth::StrategyRegistry& auth_registry,
- const std::string& frontend_prefix)
-{
- int ret = RGWHandler_REST_SWIFT::init_from_header(s, frontend_prefix);
- if (ret < 0) {
- ldout(s->cct, 10) << "init_from_header returned err=" << ret << dendl;
- return nullptr;
- }
-
- const auto& auth_strategy = auth_registry.get_swift();
-
- if (s->init_state.url_bucket.empty()) {
- return new RGWHandler_REST_Service_SWIFT(auth_strategy);
- }
-
- if (s->object.empty()) {
- return new RGWHandler_REST_Bucket_SWIFT(auth_strategy);
- }
-
- return new RGWHandler_REST_Obj_SWIFT(auth_strategy);
-}
-
-RGWHandler_REST* RGWRESTMgr_SWIFT_Info::get_handler(
- struct req_state* const s,
- const rgw::auth::StrategyRegistry& auth_registry,
- const std::string& frontend_prefix)
-{
- s->prot_flags |= RGW_REST_SWIFT;
- const auto& auth_strategy = auth_registry.get_swift();
- return new RGWHandler_REST_SWIFT_Info(auth_strategy);
-}
Code Review / stor4nfv.git / blobdiff