Implement GPG api (#710)

* Implement GPG API

* Better handle error

* Apply review recommendation + simplify database operations

* Remove useless comments

1 files changed, 102 insertions, 0 deletions

diff --git a/routers/api/v1/user/gpg_key.go b/routers/api/v1/user/gpg_key.go
new file mode 100644
index 0000000000..bb4ae42431
--- /dev/null
+++ b/routers/api/v1/user/gpg_key.go
@@ -0,0 +1,102 @@
+// Copyright 2017 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 user
+
+import (
+	api "code.gitea.io/sdk/gitea"
+
+	"code.gitea.io/gitea/models"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/routers/api/v1/convert"
+)
+
+func composePublicGPGKeysAPILink() string {
+	return setting.AppURL + "api/v1/user/gpg_keys/"
+}
+
+func listGPGKeys(ctx *context.APIContext, uid int64) {
+	keys, err := models.ListGPGKeys(uid)
+	if err != nil {
+		ctx.Error(500, "ListGPGKeys", err)
+		return
+	}
+
+	apiKeys := make([]*api.GPGKey, len(keys))
+	for i := range keys {
+		apiKeys[i] = convert.ToGPGKey(keys[i])
+	}
+
+	ctx.JSON(200, &apiKeys)
+}
+
+//ListGPGKeys get the GPG key list of a user
+func ListGPGKeys(ctx *context.APIContext) {
+	user := GetUserByParams(ctx)
+	if ctx.Written() {
+		return
+	}
+	listGPGKeys(ctx, user.ID)
+}
+
+//ListMyGPGKeys get the GPG key list of the logged user
+func ListMyGPGKeys(ctx *context.APIContext) {
+	listGPGKeys(ctx, ctx.User.ID)
+}
+
+//GetGPGKey get the GPG key based on a id
+func GetGPGKey(ctx *context.APIContext) {
+	key, err := models.GetGPGKeyByID(ctx.ParamsInt64(":id"))
+	if err != nil {
+		if models.IsErrGPGKeyNotExist(err) {
+			ctx.Status(404)
+		} else {
+			ctx.Error(500, "GetGPGKeyByID", err)
+		}
+		return
+	}
+	ctx.JSON(200, convert.ToGPGKey(key))
+}
+
+// CreateUserGPGKey creates new GPG key to given user by ID.
+func CreateUserGPGKey(ctx *context.APIContext, form api.CreateGPGKeyOption, uid int64) {
+	key, err := models.AddGPGKey(uid, form.ArmoredKey)
+	if err != nil {
+		HandleAddGPGKeyError(ctx, err)
+		return
+	}
+	ctx.JSON(201, convert.ToGPGKey(key))
+}
+
+//CreateGPGKey associate a GPG key to the current user
+func CreateGPGKey(ctx *context.APIContext, form api.CreateGPGKeyOption) {
+	CreateUserGPGKey(ctx, form, ctx.User.ID)
+}
+
+//DeleteGPGKey remove a GPG key associated to the current user
+func DeleteGPGKey(ctx *context.APIContext) {
+	if err := models.DeleteGPGKey(ctx.User, ctx.ParamsInt64(":id")); err != nil {
+		if models.IsErrGPGKeyAccessDenied(err) {
+			ctx.Error(403, "", "You do not have access to this key")
+		} else {
+			ctx.Error(500, "DeleteGPGKey", err)
+		}
+		return
+	}
+
+	ctx.Status(204)
+}
+
+// HandleAddGPGKeyError handle add GPGKey error
+func HandleAddGPGKeyError(ctx *context.APIContext, err error) {
+	switch {
+	case models.IsErrGPGKeyAccessDenied(err):
+		ctx.Error(422, "", "You do not have access to this gpg key")
+	case models.IsErrGPGKeyIDAlreadyUsed(err):
+		ctx.Error(422, "", "A key with the same keyid is allready in database")
+	default:
+		ctx.Error(500, "AddGPGKey", err)
+	}
+}