Add API management for issue/pull and comment attachments (#21783)

Close #14601
Fix #3690

Revive of #14601.
Updated to current code, cleanup and added more read/write checks.

Signed-off-by: Andrew Thornton <art27@cantab.net>
Signed-off-by: Andre Bruch <ab@andrebruch.com>
Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Norwin <git@nroo.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

1 files changed, 154 insertions, 0 deletions

diff --git a/tests/integration/api_comment_attachment_test.go b/tests/integration/api_comment_attachment_test.go
new file mode 100644
index 0000000000..22bf502ef6
--- /dev/null
+++ b/tests/integration/api_comment_attachment_test.go
@@ -0,0 +1,154 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package integration
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"mime/multipart"
+	"net/http"
+	"testing"
+
+	"code.gitea.io/gitea/models/db"
+	issues_model "code.gitea.io/gitea/models/issues"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/convert"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/tests"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAPIGetCommentAttachment(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	comment := unittest.AssertExistsAndLoadBean(t, &issues_model.Comment{ID: 2})
+	assert.NoError(t, comment.LoadIssue(db.DefaultContext))
+	assert.NoError(t, comment.LoadAttachments(db.DefaultContext))
+	attachment := unittest.AssertExistsAndLoadBean(t, &repo_model.Attachment{ID: comment.Attachments[0].ID})
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: comment.Issue.RepoID})
+	repoOwner := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: repo.OwnerID})
+
+	session := loginUser(t, repoOwner.Name)
+	token := getTokenForLoggedInUser(t, session)
+	req := NewRequestf(t, "GET", "/api/v1/repos/%s/%s/issues/comments/%d/assets/%d", repoOwner.Name, repo.Name, comment.ID, attachment.ID)
+	session.MakeRequest(t, req, http.StatusOK)
+	req = NewRequestf(t, "GET", "/api/v1/repos/%s/%s/issues/comments/%d/assets/%d?token=%s", repoOwner.Name, repo.Name, comment.ID, attachment.ID, token)
+	resp := session.MakeRequest(t, req, http.StatusOK)
+
+	var apiAttachment api.Attachment
+	DecodeJSON(t, resp, &apiAttachment)
+
+	expect := convert.ToAttachment(attachment)
+	assert.Equal(t, expect.ID, apiAttachment.ID)
+	assert.Equal(t, expect.Name, apiAttachment.Name)
+	assert.Equal(t, expect.UUID, apiAttachment.UUID)
+	assert.Equal(t, expect.Created.Unix(), apiAttachment.Created.Unix())
+}
+
+func TestAPIListCommentAttachments(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	comment := unittest.AssertExistsAndLoadBean(t, &issues_model.Comment{ID: 2})
+	issue := unittest.AssertExistsAndLoadBean(t, &issues_model.Issue{ID: comment.IssueID})
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: issue.RepoID})
+	repoOwner := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: repo.OwnerID})
+
+	session := loginUser(t, repoOwner.Name)
+	req := NewRequestf(t, "GET", "/api/v1/repos/%s/%s/issues/comments/%d/assets",
+		repoOwner.Name, repo.Name, comment.ID)
+	resp := session.MakeRequest(t, req, http.StatusOK)
+
+	var apiAttachments []*api.Attachment
+	DecodeJSON(t, resp, &apiAttachments)
+	expectedCount := unittest.GetCount(t, &repo_model.Attachment{CommentID: comment.ID})
+	assert.EqualValues(t, expectedCount, len(apiAttachments))
+
+	unittest.AssertExistsAndLoadBean(t, &repo_model.Attachment{ID: apiAttachments[0].ID, CommentID: comment.ID})
+}
+
+func TestAPICreateCommentAttachment(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	comment := unittest.AssertExistsAndLoadBean(t, &issues_model.Comment{ID: 2})
+	issue := unittest.AssertExistsAndLoadBean(t, &issues_model.Issue{ID: comment.IssueID})
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: issue.RepoID})
+	repoOwner := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: repo.OwnerID})
+
+	session := loginUser(t, repoOwner.Name)
+	token := getTokenForLoggedInUser(t, session)
+	urlStr := fmt.Sprintf("/api/v1/repos/%s/%s/issues/comments/%d/assets?token=%s",
+		repoOwner.Name, repo.Name, comment.ID, token)
+
+	filename := "image.png"
+	buff := generateImg()
+	body := &bytes.Buffer{}
+
+	// Setup multi-part
+	writer := multipart.NewWriter(body)
+	part, err := writer.CreateFormFile("attachment", filename)
+	assert.NoError(t, err)
+	_, err = io.Copy(part, &buff)
+	assert.NoError(t, err)
+	err = writer.Close()
+	assert.NoError(t, err)
+
+	req := NewRequestWithBody(t, "POST", urlStr, body)
+	req.Header.Add("Content-Type", writer.FormDataContentType())
+	resp := session.MakeRequest(t, req, http.StatusCreated)
+
+	apiAttachment := new(api.Attachment)
+	DecodeJSON(t, resp, &apiAttachment)
+
+	unittest.AssertExistsAndLoadBean(t, &repo_model.Attachment{ID: apiAttachment.ID, CommentID: comment.ID})
+}
+
+func TestAPIEditCommentAttachment(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	const newAttachmentName = "newAttachmentName"
+
+	attachment := unittest.AssertExistsAndLoadBean(t, &repo_model.Attachment{ID: 6})
+	comment := unittest.AssertExistsAndLoadBean(t, &issues_model.Comment{ID: attachment.CommentID})
+	issue := unittest.AssertExistsAndLoadBean(t, &issues_model.Issue{ID: comment.IssueID})
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: issue.RepoID})
+	repoOwner := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: repo.OwnerID})
+
+	session := loginUser(t, repoOwner.Name)
+	token := getTokenForLoggedInUser(t, session)
+	urlStr := fmt.Sprintf("/api/v1/repos/%s/%s/issues/comments/%d/assets/%d?token=%s",
+		repoOwner.Name, repo.Name, comment.ID, attachment.ID, token)
+	req := NewRequestWithValues(t, "PATCH", urlStr, map[string]string{
+		"name": newAttachmentName,
+	})
+	resp := session.MakeRequest(t, req, http.StatusCreated)
+	apiAttachment := new(api.Attachment)
+	DecodeJSON(t, resp, &apiAttachment)
+
+	unittest.AssertExistsAndLoadBean(t, &repo_model.Attachment{ID: apiAttachment.ID, CommentID: comment.ID, Name: apiAttachment.Name})
+}
+
+func TestAPIDeleteCommentAttachment(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	attachment := unittest.AssertExistsAndLoadBean(t, &repo_model.Attachment{ID: 6})
+	comment := unittest.AssertExistsAndLoadBean(t, &issues_model.Comment{ID: attachment.CommentID})
+	issue := unittest.AssertExistsAndLoadBean(t, &issues_model.Issue{ID: comment.IssueID})
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: issue.RepoID})
+	repoOwner := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: repo.OwnerID})
+
+	session := loginUser(t, repoOwner.Name)
+	token := getTokenForLoggedInUser(t, session)
+	urlStr := fmt.Sprintf("/api/v1/repos/%s/%s/issues/comments/%d/assets/%d?token=%s",
+		repoOwner.Name, repo.Name, comment.ID, attachment.ID, token)
+
+	req := NewRequestf(t, "DELETE", urlStr)
+	session.MakeRequest(t, req, http.StatusNoContent)
+
+	unittest.AssertNotExistsBean(t, &repo_model.Attachment{ID: attachment.ID, CommentID: comment.ID})
+}