src/ceph/src/rgw/rgw_website.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2015 Yehuda Sadeh <yehuda@redhat.com>
   7  * Copyright (C) 2015 Robin H. Johnson <robin.johnson@dreamhost.com>
   8  *
   9  * This is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License version 2.1, as published by the Free Software
  12  * Foundation.  See file COPYING.
  13  *
  14  */
  15 #include "common/debug.h"
  16 #include "common/ceph_json.h"
  17
  18 #include "acconfig.h"
  19
  20 #include <errno.h>
  21 #include <string>
  22 #include <list>
  23 #include "include/types.h"
  24 #include "rgw_website.h"
  25
  26 using namespace std;
  27
  28
  29 bool RGWBWRoutingRuleCondition::check_key_condition(const string& key) {
  30   return (key.size() >= key_prefix_equals.size() &&
  31           key.compare(0, key_prefix_equals.size(), key_prefix_equals) == 0);
  32 }
  33
  34
  35 void RGWBWRoutingRule::apply_rule(const string& default_protocol, const string& default_hostname,
  36                                            const string& key, string *new_url, int *redirect_code)
  37 {
  38   RGWRedirectInfo& redirect = redirect_info.redirect;
  39
  40   string protocol = (!redirect.protocol.empty() ? redirect.protocol : default_protocol);
  41   string hostname = (!redirect.hostname.empty() ? redirect.hostname : default_hostname);
  42
  43   *new_url = protocol + "://" + hostname + "/";
  44
  45   if (!redirect_info.replace_key_prefix_with.empty()) {
  46     *new_url += redirect_info.replace_key_prefix_with;
  47     *new_url += key.substr(condition.key_prefix_equals.size());
  48   } else if (!redirect_info.replace_key_with.empty()) {
  49     *new_url += redirect_info.replace_key_with;
  50   } else {
  51     *new_url += key;
  52   }
  53
  54   if(redirect.http_redirect_code > 0)
  55           *redirect_code = redirect.http_redirect_code;
  56 }
  57
  58 bool RGWBWRoutingRules::check_key_and_error_code_condition(const string &key, int error_code, RGWBWRoutingRule **rule)
  59 {
  60   for (list<RGWBWRoutingRule>::iterator iter = rules.begin(); iter != rules.end(); ++iter) {
  61     if (iter->check_key_condition(key) && iter->check_error_code_condition(error_code)) {
  62       *rule = &(*iter);
  63       return true;
  64     }
  65   }
  66   return false;
  67 }
  68
  69 bool RGWBWRoutingRules::check_key_condition(const string& key, RGWBWRoutingRule **rule)
  70 {
  71   for (list<RGWBWRoutingRule>::iterator iter = rules.begin(); iter != rules.end(); ++iter) {
  72     if (iter->check_key_condition(key)) {
  73       *rule = &(*iter);
  74       return true;
  75     }
  76   }
  77   return false;
  78 }
  79
  80 bool RGWBWRoutingRules::check_error_code_condition(const int http_error_code, RGWBWRoutingRule **rule)
  81 {
  82   for (list<RGWBWRoutingRule>::iterator iter = rules.begin(); iter != rules.end(); ++iter) {
  83     if (iter->check_error_code_condition(http_error_code)) {
  84       *rule = &(*iter);
  85       return true;
  86     }
  87   }
  88   return false;
  89 }
  90
  91 bool RGWBucketWebsiteConf::should_redirect(const string& key, const int http_error_code, RGWBWRoutingRule *redirect)
  92 {
  93   RGWBWRoutingRule *rule;
  94   if(!redirect_all.hostname.empty()) {
  95         RGWBWRoutingRule redirect_all_rule;
  96         redirect_all_rule.redirect_info.redirect = redirect_all;
  97         redirect_all.http_redirect_code = 301;
  98         *redirect = redirect_all_rule;
  99         return true;
 100   } else if (!routing_rules.check_key_and_error_code_condition(key, http_error_code, &rule)) {
 101     return false;
 102   }
 103
 104   *redirect = *rule;
 105
 106   return true;
 107 }
 108
 109 void RGWBucketWebsiteConf::get_effective_key(const string& key, string *effective_key, bool is_file) const
 110 {
 111
 112   if (key.empty()) {
 113     *effective_key = index_doc_suffix;
 114   } else if (key[key.size() - 1] == '/') {
 115     *effective_key = key + index_doc_suffix;
 116   } else if (! is_file) {
 117     *effective_key = key + "/" + index_doc_suffix;
 118   } else {
 119     *effective_key = key;
 120   }
 121 }