43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
package utils
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import (
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"encoding/base64"
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"fmt"
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"strings"
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)
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// BasicAuth basic auth information
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type BasicAuth struct {
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Username string
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Password string
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}
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func (ba *BasicAuth) String() string {
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encoded := base64.StdEncoding.EncodeToString([]byte(fmt.Sprintf("%s:%s", ba.Username, ba.Password)))
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return fmt.Sprintf("Basic %s", encoded)
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}
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// ParseAuthHeader creates a new BasicAuth from header values
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func ParseAuthHeader(header string) (*BasicAuth, error) {
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values := strings.Fields(header)
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if len(values) != 2 {
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return nil, fmt.Errorf(fmt.Sprintf("Failed to parse header '%s'", header))
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}
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authType := strings.ToLower(values[0])
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if authType != "basic" {
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return nil, fmt.Errorf("Expected basic auth type, got '%s'", authType)
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}
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encodedString := values[1]
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decodedString, err := base64.StdEncoding.DecodeString(encodedString)
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if err != nil {
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return nil, fmt.Errorf("Failed to parse header '%s', base64 failed: %s", header, err)
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}
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values = strings.SplitN(string(decodedString), ":", 2)
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if len(values) != 2 {
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return nil, fmt.Errorf("Failed to parse header '%s', expected separator ':'", header)
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}
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return &BasicAuth{Username: values[0], Password: values[1]}, nil
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}
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