1 files changed, 91 insertions, 0 deletions
diff --git a/vendor/github.com/minio/minio-go/v7/pkg/cors/cors.go b/vendor/github.com/minio/minio-go/v7/pkg/cors/cors.go
new file mode 100644
index 000000000..e71864ee9
--- /dev/null
+++ b/vendor/github.com/minio/minio-go/v7/pkg/cors/cors.go
@@ -0,0 +1,91 @@
+/*
+ * MinIO Go Library for Amazon S3 Compatible Cloud Storage
+ * Copyright 2015-2024 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 cors
+
+import (
+	"encoding/xml"
+	"fmt"
+	"io"
+	"strings"
+
+	"github.com/dustin/go-humanize"
+)
+
+const defaultXMLNS = "http://s3.amazonaws.com/doc/2006-03-01/"
+
+// Config is the container for a CORS configuration for a bucket.
+type Config struct {
+	XMLNS     string   `xml:"xmlns,attr,omitempty"`
+	XMLName   xml.Name `xml:"CORSConfiguration"`
+	CORSRules []Rule   `xml:"CORSRule"`
+}
+
+// Rule is a single rule in a CORS configuration.
+type Rule struct {
+	AllowedHeader []string `xml:"AllowedHeader,omitempty"`
+	AllowedMethod []string `xml:"AllowedMethod,omitempty"`
+	AllowedOrigin []string `xml:"AllowedOrigin,omitempty"`
+	ExposeHeader  []string `xml:"ExposeHeader,omitempty"`
+	ID            string   `xml:"ID,omitempty"`
+	MaxAgeSeconds int      `xml:"MaxAgeSeconds,omitempty"`
+}
+
+// NewConfig creates a new CORS configuration with the given rules.
+func NewConfig(rules []Rule) *Config {
+	return &Config{
+		XMLNS: defaultXMLNS,
+		XMLName: xml.Name{
+			Local: "CORSConfiguration",
+			Space: defaultXMLNS,
+		},
+		CORSRules: rules,
+	}
+}
+
+// ParseBucketCorsConfig parses a CORS configuration in XML from an io.Reader.
+func ParseBucketCorsConfig(reader io.Reader) (*Config, error) {
+	var c Config
+
+	// Max size of cors document is 64KiB according to https://docs.aws.amazon.com/AmazonS3/latest/API/API_PutBucketCors.html
+	// This limiter is just for safety so has a max of 128KiB
+	err := xml.NewDecoder(io.LimitReader(reader, 128*humanize.KiByte)).Decode(&c)
+	if err != nil {
+		return nil, fmt.Errorf("decoding xml: %w", err)
+	}
+	if c.XMLNS == "" {
+		c.XMLNS = defaultXMLNS
+	}
+	for i, rule := range c.CORSRules {
+		for j, method := range rule.AllowedMethod {
+			c.CORSRules[i].AllowedMethod[j] = strings.ToUpper(method)
+		}
+	}
+	return &c, nil
+}
+
+// ToXML marshals the CORS configuration to XML.
+func (c Config) ToXML() ([]byte, error) {
+	if c.XMLNS == "" {
+		c.XMLNS = defaultXMLNS
+	}
+	data, err := xml.Marshal(&c)
+	if err != nil {
+		return nil, fmt.Errorf("marshaling xml: %w", err)
+	}
+	return append([]byte(xml.Header), data...), nil
+}