mirror of
https://github.com/casdoor/casdoor.git
synced 2025-05-23 10:45:47 +08:00
37d93a5eea
* feat: add fields into UI FromName, Host, Endpoint * feat: update SendgridEmailProvider support dynamic host/path client init, code convention
88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
// Copyright 2024 The Casdoor Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package email
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"github.com/sendgrid/sendgrid-go"
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"github.com/sendgrid/sendgrid-go/helpers/mail"
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)
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type SendgridEmailProvider struct {
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ApiKey string
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Host string
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Endpoint string
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}
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type SendgridResponseBody struct {
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Errors []struct {
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Message string `json:"message"`
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Field interface{} `json:"field"`
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Help interface{} `json:"help"`
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} `json:"errors"`
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}
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func NewSendgridEmailProvider(apiKey string, host string, endpoint string) *SendgridEmailProvider {
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return &SendgridEmailProvider{ApiKey: apiKey, Host: host, Endpoint: endpoint}
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}
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func (s *SendgridEmailProvider) Send(fromAddress string, fromName string, toAddress string, subject string, content string) error {
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client := s.initSendgridClient()
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from := mail.NewEmail(fromName, fromAddress)
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to := mail.NewEmail("", toAddress)
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message := mail.NewSingleEmail(from, subject, to, "", content)
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resp, err := client.Send(message)
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if err != nil {
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return err
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}
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if resp.StatusCode >= 300 {
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var responseBody SendgridResponseBody
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err = json.Unmarshal([]byte(resp.Body), &responseBody)
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if err != nil {
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return err
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}
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messages := []string{}
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for _, sendgridError := range responseBody.Errors {
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messages = append(messages, sendgridError.Message)
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}
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return fmt.Errorf("status code: %d, error message: %s", resp.StatusCode, messages)
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}
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if resp.StatusCode != http.StatusAccepted {
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return fmt.Errorf("status code: %d", resp.StatusCode)
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}
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return nil
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}
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func (s *SendgridEmailProvider) initSendgridClient() *sendgrid.Client {
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if s.Host == "" || s.Endpoint == "" {
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return sendgrid.NewSendClient(s.ApiKey)
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}
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request := sendgrid.GetRequest(s.ApiKey, s.Endpoint, s.Host)
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request.Method = "POST"
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return &sendgrid.Client{Request: request}
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}
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