mirror of
https://github.com/go-gitea/gitea
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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>
280 lines
7.9 KiB
Go
280 lines
7.9 KiB
Go
// Copyright 2015 The Gogs Authors. All rights reserved.
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// Copyright 2020 The Gitea Authors.
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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 repo
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import (
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"fmt"
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"net/http"
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"net/url"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/context"
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"code.gitea.io/gitea/modules/convert"
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"code.gitea.io/gitea/modules/setting"
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api "code.gitea.io/gitea/modules/structs"
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"code.gitea.io/gitea/modules/web"
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"code.gitea.io/gitea/routers/api/v1/utils"
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)
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// appendPrivateInformation appends the owner and key type information to api.PublicKey
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func appendPrivateInformation(apiKey *api.DeployKey, key *models.DeployKey, repository *models.Repository) (*api.DeployKey, error) {
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apiKey.ReadOnly = key.Mode == models.AccessModeRead
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if repository.ID == key.RepoID {
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apiKey.Repository = convert.ToRepo(repository, key.Mode)
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} else {
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repo, err := models.GetRepositoryByID(key.RepoID)
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if err != nil {
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return apiKey, err
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}
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apiKey.Repository = convert.ToRepo(repo, key.Mode)
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}
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return apiKey, nil
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}
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func composeDeployKeysAPILink(owner, name string) string {
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return setting.AppURL + "api/v1/repos/" + url.PathEscape(owner) + "/" + url.PathEscape(name) + "/keys/"
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}
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// ListDeployKeys list all the deploy keys of a repository
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func ListDeployKeys(ctx *context.APIContext) {
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// swagger:operation GET /repos/{owner}/{repo}/keys repository repoListKeys
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// ---
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// summary: List a repository's keys
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: key_id
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// in: query
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// description: the key_id to search for
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// type: integer
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// - name: fingerprint
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// in: query
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// description: fingerprint of the key
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// type: string
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// - name: page
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// in: query
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// description: page number of results to return (1-based)
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// type: integer
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// - name: limit
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// in: query
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// description: page size of results
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// type: integer
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// responses:
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// "200":
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// "$ref": "#/responses/DeployKeyList"
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opts := &models.ListDeployKeysOptions{
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ListOptions: utils.GetListOptions(ctx),
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RepoID: ctx.Repo.Repository.ID,
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KeyID: ctx.FormInt64("key_id"),
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Fingerprint: ctx.FormString("fingerprint"),
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}
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keys, err := models.ListDeployKeys(opts)
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if err != nil {
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ctx.InternalServerError(err)
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return
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}
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count, err := models.CountDeployKeys(opts)
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if err != nil {
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ctx.InternalServerError(err)
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return
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}
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apiLink := composeDeployKeysAPILink(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
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apiKeys := make([]*api.DeployKey, len(keys))
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for i := range keys {
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if err := keys[i].GetContent(); err != nil {
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ctx.Error(http.StatusInternalServerError, "GetContent", err)
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return
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}
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apiKeys[i] = convert.ToDeployKey(apiLink, keys[i])
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if ctx.User.IsAdmin || ((ctx.Repo.Repository.ID == keys[i].RepoID) && (ctx.User.ID == ctx.Repo.Owner.ID)) {
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apiKeys[i], _ = appendPrivateInformation(apiKeys[i], keys[i], ctx.Repo.Repository)
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}
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}
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ctx.SetTotalCountHeader(count)
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ctx.JSON(http.StatusOK, &apiKeys)
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}
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// GetDeployKey get a deploy key by id
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func GetDeployKey(ctx *context.APIContext) {
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// swagger:operation GET /repos/{owner}/{repo}/keys/{id} repository repoGetKey
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// ---
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// summary: Get a repository's key by id
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: id
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// in: path
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// description: id of the key to get
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// type: integer
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// format: int64
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// required: true
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// responses:
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// "200":
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// "$ref": "#/responses/DeployKey"
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key, err := models.GetDeployKeyByID(ctx.ParamsInt64(":id"))
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if err != nil {
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if models.IsErrDeployKeyNotExist(err) {
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ctx.NotFound()
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} else {
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ctx.Error(http.StatusInternalServerError, "GetDeployKeyByID", err)
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}
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return
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}
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if err = key.GetContent(); err != nil {
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ctx.Error(http.StatusInternalServerError, "GetContent", err)
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return
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}
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apiLink := composeDeployKeysAPILink(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
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apiKey := convert.ToDeployKey(apiLink, key)
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if ctx.User.IsAdmin || ((ctx.Repo.Repository.ID == key.RepoID) && (ctx.User.ID == ctx.Repo.Owner.ID)) {
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apiKey, _ = appendPrivateInformation(apiKey, key, ctx.Repo.Repository)
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}
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ctx.JSON(http.StatusOK, apiKey)
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}
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// HandleCheckKeyStringError handle check key error
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func HandleCheckKeyStringError(ctx *context.APIContext, err error) {
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if models.IsErrSSHDisabled(err) {
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ctx.Error(http.StatusUnprocessableEntity, "", "SSH is disabled")
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} else if models.IsErrKeyUnableVerify(err) {
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ctx.Error(http.StatusUnprocessableEntity, "", "Unable to verify key content")
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} else {
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ctx.Error(http.StatusUnprocessableEntity, "", fmt.Errorf("Invalid key content: %v", err))
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}
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}
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// HandleAddKeyError handle add key error
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func HandleAddKeyError(ctx *context.APIContext, err error) {
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switch {
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case models.IsErrDeployKeyAlreadyExist(err):
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ctx.Error(http.StatusUnprocessableEntity, "", "This key has already been added to this repository")
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case models.IsErrKeyAlreadyExist(err):
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ctx.Error(http.StatusUnprocessableEntity, "", "Key content has been used as non-deploy key")
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case models.IsErrKeyNameAlreadyUsed(err):
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ctx.Error(http.StatusUnprocessableEntity, "", "Key title has been used")
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case models.IsErrDeployKeyNameAlreadyUsed(err):
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ctx.Error(http.StatusUnprocessableEntity, "", "A key with the same name already exists")
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default:
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ctx.Error(http.StatusInternalServerError, "AddKey", err)
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}
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}
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// CreateDeployKey create deploy key for a repository
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func CreateDeployKey(ctx *context.APIContext) {
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// swagger:operation POST /repos/{owner}/{repo}/keys repository repoCreateKey
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// ---
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// summary: Add a key to a repository
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// consumes:
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// - application/json
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// produces:
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// - application/json
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: body
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// in: body
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// schema:
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// "$ref": "#/definitions/CreateKeyOption"
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// responses:
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// "201":
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// "$ref": "#/responses/DeployKey"
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// "422":
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// "$ref": "#/responses/validationError"
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form := web.GetForm(ctx).(*api.CreateKeyOption)
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content, err := models.CheckPublicKeyString(form.Key)
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if err != nil {
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HandleCheckKeyStringError(ctx, err)
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return
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}
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key, err := models.AddDeployKey(ctx.Repo.Repository.ID, form.Title, content, form.ReadOnly)
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if err != nil {
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HandleAddKeyError(ctx, err)
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return
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}
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key.Content = content
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apiLink := composeDeployKeysAPILink(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
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ctx.JSON(http.StatusCreated, convert.ToDeployKey(apiLink, key))
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}
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// DeleteDeploykey delete deploy key for a repository
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func DeleteDeploykey(ctx *context.APIContext) {
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// swagger:operation DELETE /repos/{owner}/{repo}/keys/{id} repository repoDeleteKey
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// ---
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// summary: Delete a key from a repository
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// parameters:
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// - name: owner
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// in: path
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// description: owner of the repo
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// type: string
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// required: true
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// - name: repo
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// in: path
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// description: name of the repo
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// type: string
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// required: true
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// - name: id
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// in: path
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// description: id of the key to delete
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// type: integer
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// format: int64
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// required: true
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// responses:
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// "204":
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// "$ref": "#/responses/empty"
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// "403":
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// "$ref": "#/responses/forbidden"
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if err := models.DeleteDeployKey(ctx.User, ctx.ParamsInt64(":id")); err != nil {
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if models.IsErrKeyAccessDenied(err) {
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ctx.Error(http.StatusForbidden, "", "You do not have access to this key")
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} else {
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ctx.Error(http.StatusInternalServerError, "DeleteDeployKey", err)
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}
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return
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}
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ctx.Status(http.StatusNoContent)
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}
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