mirror of https://github.com/harness/drone.git
89 lines
3.0 KiB
Go
89 lines
3.0 KiB
Go
// Copyright 2023 Harness, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package router
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import (
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"net/http"
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"github.com/harness/gitness/app/api/openapi"
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"github.com/harness/gitness/app/api/render"
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"github.com/harness/gitness/types"
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"github.com/harness/gitness/web"
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"github.com/go-chi/chi"
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"github.com/swaggest/swgui/v3emb"
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"github.com/unrolled/secure"
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)
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// WebHandler is an abstraction of an http handler that handles web calls.
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type WebHandler interface {
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http.Handler
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}
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// NewWebHandler returns a new WebHandler.
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func NewWebHandler(config *types.Config,
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openapi openapi.Service,
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) WebHandler {
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// Use go-chi router for inner routing
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r := chi.NewRouter()
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// create middleware to enforce security best practices for
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// the user interface. note that theis middleware is only used
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// when serving the user interface (not found handler, below).
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sec := secure.New(
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secure.Options{
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AllowedHosts: config.Secure.AllowedHosts,
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HostsProxyHeaders: config.Secure.HostsProxyHeaders,
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SSLRedirect: config.Secure.SSLRedirect,
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SSLTemporaryRedirect: config.Secure.SSLTemporaryRedirect,
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SSLHost: config.Secure.SSLHost,
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SSLProxyHeaders: config.Secure.SSLProxyHeaders,
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STSSeconds: config.Secure.STSSeconds,
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STSIncludeSubdomains: config.Secure.STSIncludeSubdomains,
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STSPreload: config.Secure.STSPreload,
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ForceSTSHeader: config.Secure.ForceSTSHeader,
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FrameDeny: config.Secure.FrameDeny,
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ContentTypeNosniff: config.Secure.ContentTypeNosniff,
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BrowserXssFilter: config.Secure.BrowserXSSFilter,
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ContentSecurityPolicy: config.Secure.ContentSecurityPolicy,
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ReferrerPolicy: config.Secure.ReferrerPolicy,
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},
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)
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// openapi playground endpoints
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// TODO: this should not be generated and marshaled on the fly every time?
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r.HandleFunc("/openapi.yaml", func(w http.ResponseWriter, _ *http.Request) {
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spec := openapi.Generate()
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data, err := spec.MarshalYAML()
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if err != nil {
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render.ErrorMessagef(w, http.StatusInternalServerError, "error serializing openapi.yaml: %v", err)
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return
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}
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w.Header().Set("Content-Type", "application/yaml")
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w.WriteHeader(http.StatusOK)
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_, _ = w.Write(data)
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})
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swagger := v3emb.NewHandler("API Definition", "/openapi.yaml", "/swagger")
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r.With(sec.Handler).Handle("/swagger", swagger)
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r.With(sec.Handler).Handle("/swagger/*", swagger)
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// serve all other routes from the embedded filesystem,
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// which in turn serves the user interface.
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r.With(sec.Handler).NotFound(
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web.Handler(),
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)
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return r
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}
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