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api: Add graphql endpoint

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This commit is contained in:
Kevin Kandlbinder 2022-03-17 00:24:30 +01:00
parent 9e05c54d81
commit 8256b70fcb
21 changed files with 9111 additions and 15 deletions
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58
internal/web/api/api.go
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@ -5,6 +5,12 @@ import (
"encoding/json"
"errors"
chiprometheus "github.com/766b/chi-prometheus"
"github.com/99designs/gqlgen/graphql"
"github.com/99designs/gqlgen/graphql/handler"
"github.com/99designs/gqlgen/graphql/playground"
"github.com/Unkn0wnCat/matrix-veles/graph"
"github.com/Unkn0wnCat/matrix-veles/graph/generated"
"github.com/Unkn0wnCat/matrix-veles/internal/db/model"
"github.com/go-chi/chi/v5"
"github.com/go-chi/cors"
"net/http"
@ -25,10 +31,30 @@ func SetupAPI() chi.Router {
m := chiprometheus.NewMiddleware("api")
router.Use(m)
router.Use(decodeAuthMiddleware)
router.NotFound(notFoundHandler)
router.MethodNotAllowed(methodNotAllowedHandler)
router.Handle("/", playground.Handler("GraphQL playground", "/api/query"))
c := generated.Config{Resolvers: &graph.Resolver{}}
c.Directives.LoggedIn = func(ctx context.Context, obj interface{}, next graphql.Resolver) (res interface{}, err error) {
claimsVal := ctx.Value("claims")
var claims model.JwtClaims
if claimsVal != nil {
claims = claimsVal.(model.JwtClaims)
if claims.Valid() == nil {
return next(ctx)
}
}
return nil, errors.New("authentication required")
}
srv := handler.NewDefaultServer(generated.NewExecutableSchema(c))
router.Handle("/query", srv)
//router.NotFoundHandler = NotFoundHandler{}
//router.MethodNotAllowedHandler = MethodNotAllowedHandler{}
@ -72,7 +98,7 @@ func SetupAPI() chi.Router {
r.Get("/", func(writer http.ResponseWriter, request *http.Request) {
writer.WriteHeader(200)
claims := request.Context().Value("claims").(jwtClaims)
claims := request.Context().Value("claims").(model.JwtClaims)
writer.Write([]byte(`hello ` + claims.Username))
})
@ -81,12 +107,38 @@ func SetupAPI() chi.Router {
return router
}
func getClaims(request *http.Request) jwtClaims {
claims := request.Context().Value("claims").(jwtClaims)
func getClaims(request *http.Request) model.JwtClaims {
claims := request.Context().Value("claims").(model.JwtClaims)
return claims
}
func decodeAuthMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
token := req.Header.Get("Authorization")
tokenSplit := strings.Split(token, " ")
if token == "" || len(tokenSplit) < 2 {
next.ServeHTTP(res, req)
return
}
token = tokenSplit[1]
claims, _, err := parseToken(token)
if err != nil {
next.ServeHTTP(res, req)
return
}
ctx := context.WithValue(req.Context(), "claims", *claims)
req = req.WithContext(ctx)
next.ServeHTTP(res, req)
})
}
func checkAuthMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(res http.ResponseWriter, req *http.Request) {
token := req.Header.Get("Authorization")