1 files changed, 115 insertions, 0 deletions
diff --git a/vendor/github.com/minio/minio-go/pkg/policy/bucket-policy-condition.go b/vendor/github.com/minio/minio-go/pkg/policy/bucket-policy-condition.go
new file mode 100644
index 000000000..078bcd1db
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/pkg/policy/bucket-policy-condition.go
@@ -0,0 +1,115 @@
+/*
+ * Minio Go Library for Amazon S3 Compatible Cloud Storage (C) 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package policy
+
+import "github.com/minio/minio-go/pkg/set"
+
+// ConditionKeyMap - map of policy condition key and value.
+type ConditionKeyMap map[string]set.StringSet
+
+// Add - adds key and value.  The value is appended If key already exists.
+func (ckm ConditionKeyMap) Add(key string, value set.StringSet) {
+	if v, ok := ckm[key]; ok {
+		ckm[key] = v.Union(value)
+	} else {
+		ckm[key] = set.CopyStringSet(value)
+	}
+}
+
+// Remove - removes value of given key.  If key has empty after removal, the key is also removed.
+func (ckm ConditionKeyMap) Remove(key string, value set.StringSet) {
+	if v, ok := ckm[key]; ok {
+		if value != nil {
+			ckm[key] = v.Difference(value)
+		}
+
+		if ckm[key].IsEmpty() {
+			delete(ckm, key)
+		}
+	}
+}
+
+// RemoveKey - removes key and its value.
+func (ckm ConditionKeyMap) RemoveKey(key string) {
+	if _, ok := ckm[key]; ok {
+		delete(ckm, key)
+	}
+}
+
+// CopyConditionKeyMap - returns new copy of given ConditionKeyMap.
+func CopyConditionKeyMap(condKeyMap ConditionKeyMap) ConditionKeyMap {
+	out := make(ConditionKeyMap)
+
+	for k, v := range condKeyMap {
+		out[k] = set.CopyStringSet(v)
+	}
+
+	return out
+}
+
+// mergeConditionKeyMap - returns a new ConditionKeyMap which contains merged key/value of given two ConditionKeyMap.
+func mergeConditionKeyMap(condKeyMap1 ConditionKeyMap, condKeyMap2 ConditionKeyMap) ConditionKeyMap {
+	out := CopyConditionKeyMap(condKeyMap1)
+
+	for k, v := range condKeyMap2 {
+		if ev, ok := out[k]; ok {
+			out[k] = ev.Union(v)
+		} else {
+			out[k] = set.CopyStringSet(v)
+		}
+	}
+
+	return out
+}
+
+// ConditionMap - map of condition and conditional values.
+type ConditionMap map[string]ConditionKeyMap
+
+// Add - adds condition key and condition value.  The value is appended if key already exists.
+func (cond ConditionMap) Add(condKey string, condKeyMap ConditionKeyMap) {
+	if v, ok := cond[condKey]; ok {
+		cond[condKey] = mergeConditionKeyMap(v, condKeyMap)
+	} else {
+		cond[condKey] = CopyConditionKeyMap(condKeyMap)
+	}
+}
+
+// Remove - removes condition key and its value.
+func (cond ConditionMap) Remove(condKey string) {
+	if _, ok := cond[condKey]; ok {
+		delete(cond, condKey)
+	}
+}
+
+// mergeConditionMap - returns new ConditionMap which contains merged key/value of two ConditionMap.
+func mergeConditionMap(condMap1 ConditionMap, condMap2 ConditionMap) ConditionMap {
+	out := make(ConditionMap)
+
+	for k, v := range condMap1 {
+		out[k] = CopyConditionKeyMap(v)
+	}
+
+	for k, v := range condMap2 {
+		if ev, ok := out[k]; ok {
+			out[k] = mergeConditionKeyMap(ev, v)
+		} else {
+			out[k] = CopyConditionKeyMap(v)
+		}
+	}
+
+	return out
+}