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91 lines
2.2 KiB
91 lines
2.2 KiB
package dash
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import (
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"context"
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"github.com/a-h/templ"
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)
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type contextKey string
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const (
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contextUsernameKey contextKey = "admin.username"
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contextRoleKey contextKey = "admin.role"
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contextCSRFKey contextKey = "admin.csrf"
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contextURLPrefixKey contextKey = "admin.urlprefix"
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)
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// WithAuthContext stores auth metadata on the request context.
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func WithAuthContext(ctx context.Context, username, role, csrfToken string) context.Context {
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if username != "" {
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ctx = context.WithValue(ctx, contextUsernameKey, username)
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}
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if role != "" {
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ctx = context.WithValue(ctx, contextRoleKey, role)
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}
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if csrfToken != "" {
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ctx = context.WithValue(ctx, contextCSRFKey, csrfToken)
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}
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return ctx
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}
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// UsernameFromContext retrieves the username from context.
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func UsernameFromContext(ctx context.Context) string {
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if ctx == nil {
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return ""
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}
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if value, ok := ctx.Value(contextUsernameKey).(string); ok {
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return value
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}
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return ""
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}
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// RoleFromContext retrieves the role from context.
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func RoleFromContext(ctx context.Context) string {
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if ctx == nil {
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return ""
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}
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if value, ok := ctx.Value(contextRoleKey).(string); ok {
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return value
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}
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return ""
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}
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// CSRFTokenFromContext retrieves the CSRF token from context.
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func CSRFTokenFromContext(ctx context.Context) string {
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if ctx == nil {
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return ""
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}
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if value, ok := ctx.Value(contextCSRFKey).(string); ok {
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return value
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}
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return ""
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}
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// WithURLPrefix stores the URL prefix on the context.
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func WithURLPrefix(ctx context.Context, prefix string) context.Context {
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return context.WithValue(ctx, contextURLPrefixKey, prefix)
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}
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// URLPrefixFromContext retrieves the URL prefix from context.
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func URLPrefixFromContext(ctx context.Context) string {
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if ctx == nil {
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return ""
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}
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if value, ok := ctx.Value(contextURLPrefixKey).(string); ok {
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return value
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}
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return ""
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}
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// P returns the URL prefix prepended to the given path.
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// Use in Go handlers for redirect URLs.
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func P(ctx context.Context, path string) string {
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return URLPrefixFromContext(ctx) + path
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}
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// PUrl returns the URL prefix prepended to the given path as a templ.SafeURL.
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// Use in templ templates for href attributes.
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func PUrl(ctx context.Context, path string) templ.SafeURL {
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return templ.SafeURL(URLPrefixFromContext(ctx) + path)
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}
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