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https://github.com/go-gitea/gitea
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bbffcc3aec
There are multiple places where Gitea does not properly escape URLs that it is building and there are multiple places where it builds urls when there is already a simpler function available to use this. This is an extensive PR attempting to fix these issues. 1. The first commit in this PR looks through all href, src and links in the Gitea codebase and has attempted to catch all the places where there is potentially incomplete escaping. 2. Whilst doing this we will prefer to use functions that create URLs over recreating them by hand. 3. All uses of strings should be directly escaped - even if they are not currently expected to contain escaping characters. The main benefit to doing this will be that we can consider relaxing the constraints on user names and reponames in future. 4. The next commit looks at escaping in the wiki and re-considers the urls that are used there. Using the improved escaping here wiki files containing '/'. (This implementation will currently still place all of the wiki files the root directory of the repo but this would not be difficult to change.) 5. The title generation in feeds is now properly escaped. 6. EscapePound is no longer needed - urls should be PathEscaped / QueryEscaped as necessary but then re-escaped with Escape when creating html with locales Signed-off-by: Andrew Thornton <art27@cantab.net> Signed-off-by: Andrew Thornton <art27@cantab.net>
126 lines
4.3 KiB
Go
126 lines
4.3 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package repofiles
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import (
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"fmt"
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"net/url"
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"strings"
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"time"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/git"
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api "code.gitea.io/gitea/modules/structs"
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)
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// GetFileResponseFromCommit Constructs a FileResponse from a Commit object
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func GetFileResponseFromCommit(repo *models.Repository, commit *git.Commit, branch, treeName string) (*api.FileResponse, error) {
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fileContents, _ := GetContents(repo, treeName, branch, false) // ok if fails, then will be nil
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fileCommitResponse, _ := GetFileCommitResponse(repo, commit) // ok if fails, then will be nil
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verification := GetPayloadCommitVerification(commit)
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fileResponse := &api.FileResponse{
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Content: fileContents,
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Commit: fileCommitResponse,
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Verification: verification,
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}
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return fileResponse, nil
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}
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// GetFileCommitResponse Constructs a FileCommitResponse from a Commit object
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func GetFileCommitResponse(repo *models.Repository, commit *git.Commit) (*api.FileCommitResponse, error) {
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if repo == nil {
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return nil, fmt.Errorf("repo cannot be nil")
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}
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if commit == nil {
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return nil, fmt.Errorf("commit cannot be nil")
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}
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commitURL, _ := url.Parse(repo.APIURL() + "/git/commits/" + url.PathEscape(commit.ID.String()))
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commitTreeURL, _ := url.Parse(repo.APIURL() + "/git/trees/" + url.PathEscape(commit.Tree.ID.String()))
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parents := make([]*api.CommitMeta, commit.ParentCount())
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for i := 0; i <= commit.ParentCount(); i++ {
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if parent, err := commit.Parent(i); err == nil && parent != nil {
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parentCommitURL, _ := url.Parse(repo.APIURL() + "/git/commits/" + url.PathEscape(parent.ID.String()))
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parents[i] = &api.CommitMeta{
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SHA: parent.ID.String(),
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URL: parentCommitURL.String(),
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}
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}
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}
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commitHTMLURL, _ := url.Parse(repo.HTMLURL() + "/commit/" + url.PathEscape(commit.ID.String()))
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fileCommit := &api.FileCommitResponse{
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CommitMeta: api.CommitMeta{
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SHA: commit.ID.String(),
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URL: commitURL.String(),
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},
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HTMLURL: commitHTMLURL.String(),
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Author: &api.CommitUser{
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Identity: api.Identity{
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Name: commit.Author.Name,
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Email: commit.Author.Email,
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},
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Date: commit.Author.When.UTC().Format(time.RFC3339),
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},
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Committer: &api.CommitUser{
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Identity: api.Identity{
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Name: commit.Committer.Name,
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Email: commit.Committer.Email,
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},
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Date: commit.Committer.When.UTC().Format(time.RFC3339),
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},
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Message: commit.Message(),
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Tree: &api.CommitMeta{
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URL: commitTreeURL.String(),
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SHA: commit.Tree.ID.String(),
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},
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Parents: parents,
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}
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return fileCommit, nil
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}
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// GetAuthorAndCommitterUsers Gets the author and committer user objects from the IdentityOptions
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func GetAuthorAndCommitterUsers(author, committer *IdentityOptions, doer *models.User) (authorUser, committerUser *models.User) {
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// Committer and author are optional. If they are not the doer (not same email address)
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// then we use bogus User objects for them to store their FullName and Email.
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// If only one of the two are provided, we set both of them to it.
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// If neither are provided, both are the doer.
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if committer != nil && committer.Email != "" {
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if doer != nil && strings.EqualFold(doer.Email, committer.Email) {
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committerUser = doer // the committer is the doer, so will use their user object
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if committer.Name != "" {
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committerUser.FullName = committer.Name
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}
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} else {
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committerUser = &models.User{
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FullName: committer.Name,
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Email: committer.Email,
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}
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}
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}
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if author != nil && author.Email != "" {
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if doer != nil && strings.EqualFold(doer.Email, author.Email) {
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authorUser = doer // the author is the doer, so will use their user object
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if authorUser.Name != "" {
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authorUser.FullName = author.Name
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}
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} else {
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authorUser = &models.User{
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FullName: author.Name,
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Email: author.Email,
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}
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}
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}
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if authorUser == nil {
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if committerUser != nil {
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authorUser = committerUser // No valid author was given so use the committer
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} else if doer != nil {
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authorUser = doer // No valid author was given and no valid committer so use the doer
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}
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}
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if committerUser == nil {
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committerUser = authorUser // No valid committer so use the author as the committer (was set to a valid user above)
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}
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return authorUser, committerUser
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}
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