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mirror of https://github.com/hrfee/jfa-go.git synced 2024-12-22 17:10:10 +00:00
jfa-go/jfapi/jfapi.go
Harvey Tindall ee6f81b9e9
Add ability to revert to non-hyphenated user IDs
The first 10.7.0 build i tried used hyphens, but a later one didn't.
emails.json can now be converted between the two forms depending on what
the server uses.
2020-12-18 15:44:19 +00:00

371 lines
11 KiB
Go

package jfapi
import (
"bytes"
"compress/gzip"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"strings"
"time"
"github.com/hrfee/jfa-go/common"
)
type serverInfo struct {
LocalAddress string `json:"LocalAddress"`
Name string `json:"ServerName"`
Version string `json:"Version"`
OS string `json:"OperatingSystem"`
ID string `json:"Id"`
}
// Jellyfin represents a running Jellyfin instance.
type Jellyfin struct {
Server string
client string
version string
device string
deviceID string
useragent string
auth string
header map[string]string
ServerInfo serverInfo
Username string
password string
Authenticated bool
AccessToken string
userID string
httpClient *http.Client
loginParams map[string]string
userCache []map[string]interface{}
CacheExpiry time.Time
cacheLength int
noFail bool
Hyphens bool
timeoutHandler common.TimeoutHandler
}
// NewJellyfin returns a new Jellyfin object.
func NewJellyfin(server, client, version, device, deviceID string, timeoutHandler common.TimeoutHandler, cacheTimeout int) (*Jellyfin, error) {
jf := &Jellyfin{}
jf.Server = server
jf.client = client
jf.version = version
jf.device = device
jf.deviceID = deviceID
jf.useragent = fmt.Sprintf("%s/%s", client, version)
jf.timeoutHandler = timeoutHandler
jf.auth = fmt.Sprintf("MediaBrowser Client=\"%s\", Device=\"%s\", DeviceId=\"%s\", Version=\"%s\"", client, device, deviceID, version)
jf.header = map[string]string{
"Accept": "application/json",
"Content-type": "application/json; charset=UTF-8",
"X-Application": jf.useragent,
"Accept-Charset": "UTF-8,*",
"Accept-Encoding": "gzip",
"User-Agent": jf.useragent,
"X-Emby-Authorization": jf.auth,
}
jf.httpClient = &http.Client{
Timeout: 10 * time.Second,
}
infoURL := fmt.Sprintf("%s/System/Info/Public", server)
req, _ := http.NewRequest("GET", infoURL, nil)
resp, err := jf.httpClient.Do(req)
defer jf.timeoutHandler()
if err == nil {
data, _ := ioutil.ReadAll(resp.Body)
json.Unmarshal(data, &jf.ServerInfo)
}
jf.cacheLength = cacheTimeout
jf.CacheExpiry = time.Now()
return jf, nil
}
// Authenticate attempts to authenticate using a username & password
func (jf *Jellyfin) Authenticate(username, password string) (map[string]interface{}, int, error) {
jf.Username = username
jf.password = password
jf.loginParams = map[string]string{
"Username": username,
"Pw": password,
"Password": password,
}
buffer := &bytes.Buffer{}
encoder := json.NewEncoder(buffer)
encoder.SetEscapeHTML(false)
err := encoder.Encode(jf.loginParams)
if err != nil {
return nil, 0, err
}
// loginParams, _ := json.Marshal(jf.loginParams)
url := fmt.Sprintf("%s/Users/authenticatebyname", jf.Server)
req, err := http.NewRequest("POST", url, buffer)
defer jf.timeoutHandler()
if err != nil {
return nil, 0, err
}
for name, value := range jf.header {
req.Header.Add(name, value)
}
resp, err := jf.httpClient.Do(req)
if err != nil || resp.StatusCode != 200 {
return nil, resp.StatusCode, err
}
defer resp.Body.Close()
var data io.Reader
switch resp.Header.Get("Content-Encoding") {
case "gzip":
data, _ = gzip.NewReader(resp.Body)
default:
data = resp.Body
}
var respData map[string]interface{}
json.NewDecoder(data).Decode(&respData)
jf.AccessToken = respData["AccessToken"].(string)
user := respData["User"].(map[string]interface{})
jf.userID = respData["User"].(map[string]interface{})["Id"].(string)
jf.auth = fmt.Sprintf("MediaBrowser Client=\"%s\", Device=\"%s\", DeviceId=\"%s\", Version=\"%s\", Token=\"%s\"", jf.client, jf.device, jf.deviceID, jf.version, jf.AccessToken)
jf.header["X-Emby-Authorization"] = jf.auth
jf.Authenticated = true
return user, resp.StatusCode, nil
}
func (jf *Jellyfin) get(url string, params map[string]string) (string, int, error) {
var req *http.Request
if params != nil {
jsonParams, _ := json.Marshal(params)
req, _ = http.NewRequest("GET", url, bytes.NewBuffer(jsonParams))
} else {
req, _ = http.NewRequest("GET", url, nil)
}
for name, value := range jf.header {
req.Header.Add(name, value)
}
resp, err := jf.httpClient.Do(req)
defer jf.timeoutHandler()
if err != nil || resp.StatusCode != 200 {
if resp.StatusCode == 401 && jf.Authenticated {
jf.Authenticated = false
_, _, authErr := jf.Authenticate(jf.Username, jf.password)
if authErr == nil {
v1, v2, v3 := jf.get(url, params)
return v1, v2, v3
}
}
return "", resp.StatusCode, err
}
defer resp.Body.Close()
var data io.Reader
encoding := resp.Header.Get("Content-Encoding")
switch encoding {
case "gzip":
data, _ = gzip.NewReader(resp.Body)
default:
data = resp.Body
}
buf := new(strings.Builder)
io.Copy(buf, data)
//var respData map[string]interface{}
//json.NewDecoder(data).Decode(&respData)
return buf.String(), resp.StatusCode, nil
}
func (jf *Jellyfin) post(url string, data map[string]interface{}, response bool) (string, int, error) {
params, _ := json.Marshal(data)
req, _ := http.NewRequest("POST", url, bytes.NewBuffer(params))
for name, value := range jf.header {
req.Header.Add(name, value)
}
resp, err := jf.httpClient.Do(req)
defer jf.timeoutHandler()
if err != nil || resp.StatusCode != 200 {
if resp.StatusCode == 401 && jf.Authenticated {
jf.Authenticated = false
_, _, authErr := jf.Authenticate(jf.Username, jf.password)
if authErr == nil {
v1, v2, v3 := jf.post(url, data, response)
return v1, v2, v3
}
}
return "", resp.StatusCode, err
}
if response {
defer resp.Body.Close()
var outData io.Reader
switch resp.Header.Get("Content-Encoding") {
case "gzip":
outData, _ = gzip.NewReader(resp.Body)
default:
outData = resp.Body
}
buf := new(strings.Builder)
io.Copy(buf, outData)
return buf.String(), resp.StatusCode, nil
}
return "", resp.StatusCode, nil
}
// DeleteUser deletes the user corresponding to the provided ID.
func (jf *Jellyfin) DeleteUser(userID string) (int, error) {
url := fmt.Sprintf("%s/Users/%s", jf.Server, userID)
req, _ := http.NewRequest("DELETE", url, nil)
for name, value := range jf.header {
req.Header.Add(name, value)
}
resp, err := jf.httpClient.Do(req)
defer jf.timeoutHandler()
return resp.StatusCode, err
}
// GetUsers returns all (visible) users on the Jellyfin instance.
func (jf *Jellyfin) GetUsers(public bool) ([]map[string]interface{}, int, error) {
var result []map[string]interface{}
var data string
var status int
var err error
if time.Now().After(jf.CacheExpiry) {
if public {
url := fmt.Sprintf("%s/users/public", jf.Server)
data, status, err = jf.get(url, nil)
} else {
url := fmt.Sprintf("%s/users", jf.Server)
data, status, err = jf.get(url, jf.loginParams)
}
if err != nil || status != 200 {
return nil, status, err
}
json.Unmarshal([]byte(data), &result)
jf.userCache = result
jf.CacheExpiry = time.Now().Add(time.Minute * time.Duration(jf.cacheLength))
if id, ok := result[0]["Id"]; ok {
if id.(string)[8] == '-' {
jf.Hyphens = true
}
}
return result, status, nil
}
return jf.userCache, 200, nil
}
// UserByName returns the user corresponding to the provided username.
func (jf *Jellyfin) UserByName(username string, public bool) (map[string]interface{}, int, error) {
var match map[string]interface{}
find := func() (map[string]interface{}, int, error) {
users, status, err := jf.GetUsers(public)
if err != nil || status != 200 {
return nil, status, err
}
for _, user := range users {
if user["Name"].(string) == username {
return user, status, err
}
}
return nil, status, err
}
match, status, err := find()
if match == nil {
jf.CacheExpiry = time.Now()
match, status, err = find()
}
return match, status, err
}
// UserByID returns the user corresponding to the provided ID.
func (jf *Jellyfin) UserByID(userID string, public bool) (map[string]interface{}, int, error) {
if jf.CacheExpiry.After(time.Now()) {
for _, user := range jf.userCache {
if user["Id"].(string) == userID {
return user, 200, nil
}
}
}
if public {
users, status, err := jf.GetUsers(public)
if err != nil || status != 200 {
return nil, status, err
}
for _, user := range users {
if user["Id"].(string) == userID {
return user, status, nil
}
}
return nil, status, err
}
var result map[string]interface{}
var data string
var status int
var err error
url := fmt.Sprintf("%s/users/%s", jf.Server, userID)
data, status, err = jf.get(url, jf.loginParams)
if err != nil || status != 200 {
return nil, status, err
}
json.Unmarshal([]byte(data), &result)
return result, status, nil
}
// NewUser creates a new user with the provided username and password.
func (jf *Jellyfin) NewUser(username, password string) (map[string]interface{}, int, error) {
url := fmt.Sprintf("%s/Users/New", jf.Server)
stringData := map[string]string{
"Name": username,
"Password": password,
}
data := make(map[string]interface{})
for key, value := range stringData {
data[key] = value
}
response, status, err := jf.post(url, data, true)
var recv map[string]interface{}
json.Unmarshal([]byte(response), &recv)
if err != nil || !(status == 200 || status == 204) {
return nil, status, err
}
return recv, status, nil
}
// SetPolicy sets the access policy for the user corresponding to the provided ID.
func (jf *Jellyfin) SetPolicy(userID string, policy map[string]interface{}) (int, error) {
url := fmt.Sprintf("%s/Users/%s/Policy", jf.Server, userID)
_, status, err := jf.post(url, policy, false)
if err != nil || status != 200 {
return status, err
}
return status, nil
}
// SetConfiguration sets the configuration (part of homescreen layout) for the user corresponding to the provided ID.
func (jf *Jellyfin) SetConfiguration(userID string, configuration map[string]interface{}) (int, error) {
url := fmt.Sprintf("%s/Users/%s/Configuration", jf.Server, userID)
_, status, err := jf.post(url, configuration, false)
return status, err
}
// GetDisplayPreferences gets the displayPreferences (part of homescreen layout) for the user corresponding to the provided ID.
func (jf *Jellyfin) GetDisplayPreferences(userID string) (map[string]interface{}, int, error) {
url := fmt.Sprintf("%s/DisplayPreferences/usersettings?userId=%s&client=emby", jf.Server, userID)
data, status, err := jf.get(url, nil)
if err != nil || !(status == 204 || status == 200) {
return nil, status, err
}
var displayprefs map[string]interface{}
err = json.Unmarshal([]byte(data), &displayprefs)
if err != nil {
return nil, status, err
}
return displayprefs, status, nil
}
// SetDisplayPreferences sets the displayPreferences (part of homescreen layout) for the user corresponding to the provided ID.
func (jf *Jellyfin) SetDisplayPreferences(userID string, displayprefs map[string]interface{}) (int, error) {
url := fmt.Sprintf("%s/DisplayPreferences/usersettings?userId=%s&client=emby", jf.Server, userID)
_, status, err := jf.post(url, displayprefs, false)
if err != nil || !(status == 204 || status == 200) {
return status, err
}
return status, nil
}