mirror of https://github.com/harness/drone.git
101 lines
2.7 KiB
Go
101 lines
2.7 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 pullreq
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import (
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"encoding/json"
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"io"
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"net/http"
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"strings"
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"github.com/harness/gitness/app/api/controller/pullreq"
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"github.com/harness/gitness/app/api/render"
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"github.com/harness/gitness/app/api/request"
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"github.com/harness/gitness/errors"
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gittypes "github.com/harness/gitness/git/api"
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)
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// HandleDiff returns a http.HandlerFunc that returns diff.
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func HandleDiff(pullreqCtrl *pullreq.Controller) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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session, _ := request.AuthSessionFrom(ctx)
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repoRef, err := request.GetRepoRefFromPath(r)
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if err != nil {
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render.TranslatedUserError(ctx, w, err)
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return
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}
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pullreqNumber, err := request.GetPullReqNumberFromPath(r)
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if err != nil {
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render.TranslatedUserError(ctx, w, err)
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return
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}
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setSHAs := func(sourceSHA, mergeBaseSHA string) {
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w.Header().Set("X-Source-Sha", sourceSHA)
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w.Header().Set("X-Merge-Base-Sha", mergeBaseSHA)
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}
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files := gittypes.FileDiffRequests{}
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switch r.Method {
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case http.MethodPost:
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if err = json.NewDecoder(r.Body).Decode(&files); err != nil && !errors.Is(err, io.EOF) {
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render.TranslatedUserError(ctx, w, err)
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return
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}
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case http.MethodGet:
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// TBD: this will be removed in future because of URL limit in browser to 2048 chars.
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files = request.GetFileDiffFromQuery(r)
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}
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if strings.HasPrefix(r.Header.Get("Accept"), "text/plain") {
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err := pullreqCtrl.RawDiff(ctx, w, session, repoRef, pullreqNumber, setSHAs, files...)
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if err != nil {
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http.Error(w, err.Error(), http.StatusOK)
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}
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return
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}
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includePatch, err := request.QueryParamAsBoolOrDefault(r, "include_patch", false)
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if err != nil {
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render.TranslatedUserError(ctx, w, err)
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return
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}
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ignoreWhitespace, err := request.QueryParamAsBoolOrDefault(r, request.QueryParamIgnoreWhitespace, false)
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if err != nil {
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render.TranslatedUserError(ctx, w, err)
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return
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}
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stream, err := pullreqCtrl.Diff(
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ctx,
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session,
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repoRef,
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pullreqNumber,
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setSHAs,
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includePatch,
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ignoreWhitespace,
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files...,
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)
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if err != nil {
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render.TranslatedUserError(ctx, w, err)
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return
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}
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render.JSONArrayDynamic(ctx, w, stream)
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}
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}
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