Files
go-garth/garth/client/client.go
2025-09-18 05:40:45 -07:00

449 lines
9.9 KiB
Go

package client
import (
"bytes"
"encoding/json"
"fmt"
"io"
"mime/multipart"
"net/http"
"net/http/cookiejar"
"net/url"
"os"
"path/filepath"
"strings"
"time"
"garmin-connect/garth/errors"
"garmin-connect/garth/sso"
"garmin-connect/garth/types"
)
// Client represents the Garmin Connect API client
type Client struct {
Domain string
HTTPClient *http.Client
Username string
AuthToken string
OAuth1Token *types.OAuth1Token
OAuth2Token *types.OAuth2Token
}
// NewClient creates a new Garmin Connect client
func NewClient(domain string) (*Client, error) {
if domain == "" {
domain = "garmin.com"
}
// Extract host without scheme if present
if strings.Contains(domain, "://") {
if u, err := url.Parse(domain); err == nil {
domain = u.Host
}
}
jar, err := cookiejar.New(nil)
if err != nil {
return nil, &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to create cookie jar",
Cause: err,
},
}
}
return &Client{
Domain: domain,
HTTPClient: &http.Client{
Jar: jar,
Timeout: 30 * time.Second,
CheckRedirect: func(req *http.Request, via []*http.Request) error {
if len(via) >= 10 {
return &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
GarthError: errors.GarthError{
Message: "Too many redirects",
},
},
}
}
return nil
},
},
}, nil
}
// Login authenticates to Garmin Connect using SSO
func (c *Client) Login(email, password string) error {
// Extract host without scheme if present
host := c.Domain
if strings.Contains(host, "://") {
if u, err := url.Parse(host); err == nil {
host = u.Host
}
}
ssoClient := sso.NewClient(host)
oauth2Token, mfaContext, err := ssoClient.Login(email, password)
if err != nil {
return &errors.AuthenticationError{
GarthError: errors.GarthError{
Message: "SSO login failed",
Cause: err,
},
}
}
// Handle MFA required
if mfaContext != nil {
return &errors.AuthenticationError{
GarthError: errors.GarthError{
Message: "MFA required - not implemented yet",
},
}
}
c.OAuth2Token = oauth2Token
c.AuthToken = fmt.Sprintf("%s %s", oauth2Token.TokenType, oauth2Token.AccessToken)
// Get user profile to set username
profile, err := c.GetUserProfile()
if err != nil {
return &errors.AuthenticationError{
GarthError: errors.GarthError{
Message: "Failed to get user profile after login",
Cause: err,
},
}
}
c.Username = profile.UserName
return nil
}
// GetUserProfile retrieves the current user's full profile
func (c *Client) GetUserProfile() (*types.UserProfile, error) {
profileURL := fmt.Sprintf("https://connectapi.%s/userprofile-service/socialProfile", c.Domain)
req, err := http.NewRequest("GET", profileURL, nil)
if err != nil {
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
GarthError: errors.GarthError{
Message: "Failed to create profile request",
Cause: err,
},
},
}
}
req.Header.Set("Authorization", c.AuthToken)
req.Header.Set("User-Agent", "com.garmin.android.apps.connectmobile")
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
GarthError: errors.GarthError{
Message: "Failed to get user profile",
Cause: err,
},
},
}
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
body, _ := io.ReadAll(resp.Body)
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
StatusCode: resp.StatusCode,
Response: string(body),
GarthError: errors.GarthError{
Message: "Profile request failed",
},
},
}
}
var profile types.UserProfile
if err := json.NewDecoder(resp.Body).Decode(&profile); err != nil {
return nil, &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to parse profile",
Cause: err,
},
}
}
return &profile, nil
}
// ConnectAPI makes a raw API request to the Garmin Connect API
func (c *Client) ConnectAPI(path string, method string, params url.Values, body io.Reader) ([]byte, error) {
u := &url.URL{
Scheme: "https",
Host: fmt.Sprintf("connectapi.%s", c.Domain),
Path: path,
RawQuery: params.Encode(),
}
req, err := http.NewRequest(method, u.String(), body)
if err != nil {
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
GarthError: errors.GarthError{
Message: "Failed to create request",
Cause: err,
},
},
}
}
req.Header.Set("Authorization", c.AuthToken)
req.Header.Set("User-Agent", "garth-go-client/1.0")
req.Header.Set("Accept", "application/json")
if body != nil && req.Header.Get("Content-Type") == "" {
req.Header.Set("Content-Type", "application/json")
}
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
GarthError: errors.GarthError{
Message: "Request failed",
Cause: err,
},
},
}
}
defer resp.Body.Close()
if resp.StatusCode >= 400 {
bodyBytes, _ := io.ReadAll(resp.Body)
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
StatusCode: resp.StatusCode,
Response: string(bodyBytes),
GarthError: errors.GarthError{
Message: fmt.Sprintf("API request failed with status %d: %s",
resp.StatusCode, tryReadErrorBody(bytes.NewReader(bodyBytes))),
},
},
}
}
return io.ReadAll(resp.Body)
}
func tryReadErrorBody(r io.Reader) string {
body, err := io.ReadAll(r)
if err != nil {
return "failed to read error response"
}
return string(body)
}
// Upload sends a file to Garmin Connect
func (c *Client) Upload(filePath string) error {
file, err := os.Open(filePath)
if err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to open file",
Cause: err,
},
}
}
defer file.Close()
body := &bytes.Buffer{}
writer := multipart.NewWriter(body)
part, err := writer.CreateFormFile("file", filepath.Base(filePath))
if err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to create form file",
Cause: err,
},
}
}
if _, err := io.Copy(part, file); err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to copy file content",
Cause: err,
},
}
}
if err := writer.Close(); err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to close multipart writer",
Cause: err,
},
}
}
_, err = c.ConnectAPI("/upload-service/upload", "POST", nil, body)
if err != nil {
return &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
GarthError: errors.GarthError{
Message: "File upload failed",
Cause: err,
},
},
}
}
return nil
}
// Download retrieves a file from Garmin Connect
func (c *Client) Download(activityID string, filePath string) error {
params := url.Values{}
params.Add("activityId", activityID)
resp, err := c.ConnectAPI("/download-service/export", "GET", params, nil)
if err != nil {
return err
}
if err := os.WriteFile(filePath, resp, 0644); err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to save file",
Cause: err,
},
}
}
return nil
}
// GetActivities retrieves recent activities
func (c *Client) GetActivities(limit int) ([]types.Activity, error) {
if limit <= 0 {
limit = 10
}
activitiesURL := fmt.Sprintf("https://connectapi.%s/activitylist-service/activities/search/activities?limit=%d&start=0", c.Domain, limit)
req, err := http.NewRequest("GET", activitiesURL, nil)
if err != nil {
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
GarthError: errors.GarthError{
Message: "Failed to create activities request",
Cause: err,
},
},
}
}
req.Header.Set("Authorization", c.AuthToken)
req.Header.Set("User-Agent", "com.garmin.android.apps.connectmobile")
resp, err := c.HTTPClient.Do(req)
if err != nil {
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
GarthError: errors.GarthError{
Message: "Failed to get activities",
Cause: err,
},
},
}
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
body, _ := io.ReadAll(resp.Body)
return nil, &errors.APIError{
GarthHTTPError: errors.GarthHTTPError{
StatusCode: resp.StatusCode,
Response: string(body),
GarthError: errors.GarthError{
Message: "Activities request failed",
},
},
}
}
var activities []types.Activity
if err := json.NewDecoder(resp.Body).Decode(&activities); err != nil {
return nil, &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to parse activities",
Cause: err,
},
}
}
return activities, nil
}
// SaveSession saves the current session to a file
func (c *Client) SaveSession(filename string) error {
session := types.SessionData{
Domain: c.Domain,
Username: c.Username,
AuthToken: c.AuthToken,
}
data, err := json.MarshalIndent(session, "", " ")
if err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to marshal session",
Cause: err,
},
}
}
if err := os.WriteFile(filename, data, 0600); err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to write session file",
Cause: err,
},
}
}
return nil
}
// LoadSession loads a session from a file
func (c *Client) LoadSession(filename string) error {
data, err := os.ReadFile(filename)
if err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to read session file",
Cause: err,
},
}
}
var session types.SessionData
if err := json.Unmarshal(data, &session); err != nil {
return &errors.IOError{
GarthError: errors.GarthError{
Message: "Failed to unmarshal session",
Cause: err,
},
}
}
c.Domain = session.Domain
c.Username = session.Username
c.AuthToken = session.AuthToken
return nil
}