35 lines
1.2 KiB
Go
35 lines
1.2 KiB
Go
package server
|
|
|
|
import (
|
|
"net/http"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
|
|
"github.com/photoprism/photoprism/internal/config"
|
|
"github.com/photoprism/photoprism/pkg/header"
|
|
)
|
|
|
|
// Api is a middleware that sets additional response headers when serving REST API requests.
|
|
var Api = func(conf *config.Config) gin.HandlerFunc {
|
|
return func(c *gin.Context) {
|
|
// Add a vary response header for authentication, if any.
|
|
if c.GetHeader(header.XAuthToken) != "" {
|
|
c.Writer.Header().Add(header.Vary, header.XAuthToken)
|
|
} else if c.GetHeader(header.XSessionID) != "" {
|
|
c.Writer.Header().Add(header.Vary, header.XSessionID)
|
|
}
|
|
|
|
// If permitted, set CORS headers (Cross-Origin Resource Sharing).
|
|
// See: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
|
|
if origin := conf.CORSOrigin(); origin != "" {
|
|
c.Header(header.AccessControlAllowOrigin, origin)
|
|
|
|
// Add additional information to preflight OPTION requests.
|
|
if c.Request.Method == http.MethodOptions {
|
|
c.Header(header.AccessControlAllowHeaders, conf.CORSHeaders())
|
|
c.Header(header.AccessControlAllowMethods, conf.CORSMethods())
|
|
c.Header(header.AccessControlMaxAge, header.DefaultAccessControlMaxAge)
|
|
}
|
|
}
|
|
}
|
|
}
|