initial code repo

[stor4nfv.git] / src / ceph / src / rgw / rgw_tag.cc

diff --git a/src/ceph/src/rgw/rgw_tag.cc b/src/ceph/src/rgw/rgw_tag.cc
new file mode 100644 (file)
index 0000000..76b361f
--- /dev/null
+++ b/src/ceph/src/rgw/rgw_tag.cc
@@ -0,0 +1,52 @@
+
+#include <map>
+#include <string>
+
+#include <common/errno.h>
+#include <boost/algorithm/string.hpp>
+
+#include "rgw_tag.h"
+
+static constexpr uint32_t MAX_OBJ_TAGS=10;
+static constexpr uint32_t MAX_TAG_KEY_SIZE=128;
+static constexpr uint32_t MAX_TAG_VAL_SIZE=256;
+
+bool RGWObjTags::add_tag(const string&key, const string& val){
+  return tag_map.emplace(std::make_pair(key,val)).second;
+}
+
+int RGWObjTags::check_and_add_tag(const string&key, const string& val){
+  if (tag_map.size() == MAX_OBJ_TAGS ||
+      key.size() > MAX_TAG_KEY_SIZE ||
+      val.size() > MAX_TAG_VAL_SIZE ||
+      key.size() == 0){
+    return -ERR_INVALID_TAG;
+  }
+
+  // if we get a conflicting key, either the XML is malformed or the user
+  // supplied an invalid string
+  if (!add_tag(key,val))
+    return -EINVAL;
+
+  return 0;
+}
+
+int RGWObjTags::set_from_string(const string& input){
+  int ret=0;
+  vector <string> kvs;
+  boost::split(kvs, input, boost::is_any_of("&"));
+  for (const auto& kv: kvs){
+    auto p = kv.find("=");
+    string key,val;
+    if (p != string::npos) {
+      ret = check_and_add_tag(url_decode(kv.substr(0,p)),
+                              url_decode(kv.substr(p+1)));
+    } else {
+      ret = check_and_add_tag(url_decode(kv));
+    }
+
+    if (ret < 0)
+      return ret;
+  }
+  return ret;
+}