dashboard: add send_email method

The API method can be used to send a raw email on behalf of the GAE
instance.

2 files changed, 30 insertions, 0 deletions

diff --git a/dashboard/app/api.go b/dashboard/app/api.go
index 52e33dbb0..cd1a51db7 100644
--- a/dashboard/app/api.go
+++ b/dashboard/app/api.go
@@ -36,6 +36,7 @@ import (
 	"google.golang.org/appengine/v2"
 	db "google.golang.org/appengine/v2/datastore"
 	"google.golang.org/appengine/v2/log"
+	aemail "google.golang.org/appengine/v2/mail"
 	"google.golang.org/appengine/v2/user"
 )
 
@@ -57,6 +58,7 @@ var apiHandlers = map[string]APIHandler{
 	"load_full_bug":         apiLoadFullBug,
 	"save_discussion":       apiSaveDiscussion,
 	"create_upload_url":     apiCreateUploadURL,
+	"send_email":            apiSendEmail,
 	"save_coverage":         gcsPayloadHandler(apiSaveCoverage),
 	"upload_build":          nsHandler(apiUploadBuild),
 	"builder_poll":          nsHandler(apiBuilderPoll),
@@ -1929,6 +1931,21 @@ func apiCreateUploadURL(c context.Context, payload io.Reader) (interface{}, erro
 	return fmt.Sprintf("%s/%s.upload", bucket, uuid.New().String()), nil
 }
 
+func apiSendEmail(c context.Context, payload io.Reader) (interface{}, error) {
+	req := new(dashapi.SendEmailReq)
+	if err := json.NewDecoder(payload).Decode(req); err != nil {
+		return nil, fmt.Errorf("failed to unmarshal request: %w", err)
+	}
+	return nil, sendEmail(c, &aemail.Message{
+		Sender:  req.Sender,
+		ReplyTo: req.InReplyTo,
+		To:      req.To,
+		Cc:      req.Cc,
+		Subject: req.Subject,
+		Body:    req.Body,
+	})
+}
+
 // apiSaveCoverage reads jsonl data from payload and stores it to coveragedb.
 // First payload jsonl line is a coveragedb.HistoryRecord (w/o session and time).
 // Second+ records are coveragedb.JSONLWrapper.
diff --git a/dashboard/dashapi/dashapi.go b/dashboard/dashapi/dashapi.go
index 317fcb5a2..1f9dec94d 100644
--- a/dashboard/dashapi/dashapi.go
+++ b/dashboard/dashapi/dashapi.go
@@ -885,6 +885,19 @@ func (dash *Dashboard) UpdateReport(req *UpdateReportReq) error {
 	return dash.Query("update_report", req, nil)
 }
 
+type SendEmailReq struct {
+	Sender    string
+	To        []string
+	Cc        []string
+	Subject   string
+	InReplyTo string
+	Body      string
+}
+
+func (dash *Dashboard) SendEmail(req *SendEmailReq) error {
+	return dash.Query("send_email", req, nil)
+}
+
 type (
 	BugStatus       int
 	BugStatusReason string