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verify_email.go
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verify_email.go
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// Copyright 2020 the Exposure Notifications Verification Server authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package firebase is common logic and handling around firebase.
package firebase
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/http"
)
type sendEmailVerificationRequest struct {
RequestType string `json:"requestType"`
IDToken string `json:"idToken"`
}
// SendEmailVerification sends a message to verify the email address.
//
// See: https://firebase.google.com/docs/reference/rest/auth#section-send-email-verification
func (c *Client) SendEmailVerification(ctx context.Context, idToken string) error {
r := &sendEmailVerificationRequest{
RequestType: "VERIFY_EMAIL",
IDToken: idToken,
}
var body bytes.Buffer
if err := json.NewEncoder(&body).Encode(r); err != nil {
return fmt.Errorf("failed to create json body: %w", err)
}
u := c.buildURL("/v1/accounts:sendOobCode")
req, err := http.NewRequestWithContext(ctx, http.MethodPost, u, &body)
if err != nil {
return fmt.Errorf("failed to build request: %w", err)
}
req.Header.Add("Accept", "application/json")
req.Header.Add("Content-Type", "application/json")
resp, err := c.client.Do(req)
if err != nil {
return fmt.Errorf("failed to send password reset email: %w", err)
}
defer resp.Body.Close()
if status := resp.StatusCode; status != http.StatusOK {
b, err := io.ReadAll(resp.Body)
if err != nil {
return fmt.Errorf("response was %d, but failed to read body: %w", status, err)
}
// Try to unmarshal the error message. Firebase uses these as enum values to expand on the code.
var m map[string]ErrorDetails
if err := json.Unmarshal(b, &m); err == nil {
d := m["error"]
return &d
}
return fmt.Errorf("failure %d: %s", status, string(b))
}
return nil
}