mirror of
https://github.com/go-shiori/shiori.git
synced 2024-11-16 22:25:13 +08:00
100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package serve
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import (
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"crypto/rand"
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"fmt"
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"html/template"
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"io/ioutil"
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"net/http"
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dt "github.com/RadhiFadlillah/shiori/database"
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jwt "github.com/dgrijalva/jwt-go"
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"github.com/dgrijalva/jwt-go/request"
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)
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// webHandler is handler for every API and routes to web page
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type webHandler struct {
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db dt.Database
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dataDir string
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jwtKey []byte
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tplCache *template.Template
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}
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// newWebHandler returns new webHandler
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func newWebHandler(db dt.Database, dataDir string) (*webHandler, error) {
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// Create JWT key
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jwtKey := make([]byte, 32)
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_, err := rand.Read(jwtKey)
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if err != nil {
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return nil, err
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}
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// Create handler
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handler := &webHandler{
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db: db,
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dataDir: dataDir,
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jwtKey: jwtKey,
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}
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return handler, nil
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}
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func (h *webHandler) checkToken(r *http.Request) error {
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tokenCookie, err := r.Cookie("token")
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if err != nil {
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return fmt.Errorf("Token does not exist")
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}
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token, err := jwt.Parse(tokenCookie.Value, h.jwtKeyFunc)
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if err != nil {
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return err
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}
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claims := token.Claims.(jwt.MapClaims)
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return claims.Valid()
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}
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func (h *webHandler) checkAPIToken(r *http.Request) error {
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token, err := request.ParseFromRequest(r,
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request.AuthorizationHeaderExtractor,
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h.jwtKeyFunc)
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if err != nil {
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return err
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}
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claims := token.Claims.(jwt.MapClaims)
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return claims.Valid()
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}
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func (h *webHandler) jwtKeyFunc(token *jwt.Token) (interface{}, error) {
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf("Unexpected signing method")
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}
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return h.jwtKey, nil
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}
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func createTemplate(filename string, funcMap template.FuncMap) (*template.Template, error) {
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// Open file
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src, err := assets.Open(filename)
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if err != nil {
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return nil, err
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}
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defer src.Close()
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// Read file content
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srcContent, err := ioutil.ReadAll(src)
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if err != nil {
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return nil, err
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}
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// Create template
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return template.New(filename).Delims("$|", "|$").Funcs(funcMap).Parse(string(srcContent))
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}
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func redirectPage(w http.ResponseWriter, r *http.Request, url string) {
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w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
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w.Header().Set("Pragma", "no-cache")
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w.Header().Set("Expires", "0")
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http.Redirect(w, r, url, 301)
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}
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