code.gitea.io/gitea@v1.21.7/routers/web/goget.go (about)

     1  // Copyright 2021 The Gitea Authors. All rights reserved.
     2  // SPDX-License-Identifier: MIT
     3  
     4  package web
     5  
     6  import (
     7  	"fmt"
     8  	"html"
     9  	"net/http"
    10  	"net/url"
    11  	"path"
    12  	"strings"
    13  
    14  	repo_model "code.gitea.io/gitea/models/repo"
    15  	"code.gitea.io/gitea/modules/context"
    16  	"code.gitea.io/gitea/modules/setting"
    17  	"code.gitea.io/gitea/modules/util"
    18  )
    19  
    20  func goGet(ctx *context.Context) {
    21  	if ctx.Req.Method != "GET" || len(ctx.Req.URL.RawQuery) < 8 || ctx.FormString("go-get") != "1" {
    22  		return
    23  	}
    24  
    25  	parts := strings.SplitN(ctx.Req.URL.EscapedPath(), "/", 4)
    26  
    27  	if len(parts) < 3 {
    28  		return
    29  	}
    30  
    31  	ownerName := parts[1]
    32  	repoName := parts[2]
    33  
    34  	// Quick responses appropriate go-get meta with status 200
    35  	// regardless of if user have access to the repository,
    36  	// or the repository does not exist at all.
    37  	// This is particular a workaround for "go get" command which does not respect
    38  	// .netrc file.
    39  
    40  	trimmedRepoName := strings.TrimSuffix(repoName, ".git")
    41  
    42  	if ownerName == "" || trimmedRepoName == "" {
    43  		_, _ = ctx.Write([]byte(`<!doctype html>
    44  <html>
    45  	<body>
    46  		invalid import path
    47  	</body>
    48  </html>
    49  `))
    50  		ctx.Status(http.StatusBadRequest)
    51  		return
    52  	}
    53  	branchName := setting.Repository.DefaultBranch
    54  
    55  	repo, err := repo_model.GetRepositoryByOwnerAndName(ctx, ownerName, repoName)
    56  	if err == nil && len(repo.DefaultBranch) > 0 {
    57  		branchName = repo.DefaultBranch
    58  	}
    59  	prefix := setting.AppURL + path.Join(url.PathEscape(ownerName), url.PathEscape(repoName), "src", "branch", util.PathEscapeSegments(branchName))
    60  
    61  	appURL, _ := url.Parse(setting.AppURL)
    62  
    63  	insecure := ""
    64  	if appURL.Scheme == string(setting.HTTP) {
    65  		insecure = "--insecure "
    66  	}
    67  
    68  	goGetImport := context.ComposeGoGetImport(ownerName, trimmedRepoName)
    69  
    70  	var cloneURL string
    71  	if setting.Repository.GoGetCloneURLProtocol == "ssh" {
    72  		cloneURL = repo_model.ComposeSSHCloneURL(ownerName, repoName)
    73  	} else {
    74  		cloneURL = repo_model.ComposeHTTPSCloneURL(ownerName, repoName)
    75  	}
    76  	goImportContent := fmt.Sprintf("%s git %s", goGetImport, cloneURL /*CloneLink*/)
    77  	goSourceContent := fmt.Sprintf("%s _ %s %s", goGetImport, prefix+"{/dir}" /*GoDocDirectory*/, prefix+"{/dir}/{file}#L{line}" /*GoDocFile*/)
    78  	goGetCli := fmt.Sprintf("go get %s%s", insecure, goGetImport)
    79  
    80  	res := fmt.Sprintf(`<!doctype html>
    81  <html>
    82  	<head>
    83  		<meta name="go-import" content="%s">
    84  		<meta name="go-source" content="%s">
    85  	</head>
    86  	<body>
    87  		%s
    88  	</body>
    89  </html>`, html.EscapeString(goImportContent), html.EscapeString(goSourceContent), html.EscapeString(goGetCli))
    90  
    91  	ctx.RespHeader().Set("Content-Type", "text/html")
    92  	_, _ = ctx.Write([]byte(res))
    93  }