69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
package frontend
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import (
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"encoding/json"
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"log"
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"net/http"
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"os"
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b "streifling.com/jason/cpolis/cmd/backend"
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)
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func tokenIsVerified(w http.ResponseWriter, r *http.Request) bool {
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idToken := r.Header.Get("Authorization")
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if idToken == "" {
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log.Println("Authorization header missing")
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http.Error(w, "Authorization header missing", http.StatusUnauthorized)
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return false
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}
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client, err := b.NewClient()
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return false
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}
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_, err = client.Verify(idToken)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusUnauthorized)
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return false
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}
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return true
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}
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func ServePDFList(c *b.Config) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if tokenIsVerified(w, r) {
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files, err := os.ReadDir(c.PDFDir)
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if err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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fileNames := make([]string, 0)
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for _, file := range files {
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fileNames = append(fileNames, file.Name())
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}
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w.Header().Set("Content-Type", "application/json")
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if err = json.NewEncoder(w).Encode(fileNames); err != nil {
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log.Println(err)
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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}
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}
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}
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func ServePDF(c *b.Config) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if tokenIsVerified(w, r) {
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http.ServeFile(w, r, r.PathValue("id"))
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}
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}
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}
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