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client.go
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client.go
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package jssdk
import (
"context"
"crypto/sha1"
"errors"
"fmt"
"github.com/ArtisanCloud/PowerLibs/v3/object"
"github.com/ArtisanCloud/PowerWeChat/v3/src/kernel"
"github.com/ArtisanCloud/PowerWeChat/v3/src/kernel/power"
response2 "github.com/ArtisanCloud/PowerWeChat/v3/src/kernel/response"
"net/http"
"sort"
"strings"
"time"
)
type Client struct {
BaseClient *kernel.BaseClient
*kernel.InteractsWithCache
TicketEndpoint string
url string
}
func NewClient(app *kernel.ApplicationInterface) (*Client, error) {
baseClient, err := kernel.NewBaseClient(app, nil)
if err != nil {
return nil, err
}
client := &Client{
BaseClient: baseClient,
InteractsWithCache: &kernel.InteractsWithCache{},
}
client.TicketEndpoint = "https://api.weixin.qq.com/cgi-bin/ticket/getticket"
return client, nil
}
func (comp *Client) BuildConfig(ctx context.Context, jsApiList []string, debug bool, beta bool, openTagList []string, url string) (interface{}, error) {
signature, err := comp.ConfigSignature(ctx, url, "", 0)
if err != nil {
return signature, err
}
config := object.MergeHashMap(&object.HashMap{
"debug": debug,
"beta": beta,
"jsApiList": jsApiList,
"openTagList": openTagList,
}, signature)
powerConfig, err := power.HashMapToPower(config)
return powerConfig, err
}
func (comp *Client) GetConfigArray(ctx context.Context, apis []string, debug bool, beta bool, openTagList []string, url string) (string, error) {
result, err := comp.BuildConfig(ctx, apis, debug, beta, openTagList, url)
return result.(string), err
}
func (comp *Client) GetTicket(ctx context.Context, refresh bool, ticketType string) (*object.HashMap, error) {
cacheKey := fmt.Sprintf("powerwechat.basic_service.jssdk.ticket.%s.%s", ticketType, comp.GetAppID())
if !refresh && comp.GetCache().Has(cacheKey) {
ticket, err := comp.GetCache().Get(cacheKey, nil)
ticket2 := ticket.(map[string]interface{})
return (*object.HashMap)(&ticket2), err
}
mapRSBody := &object.HashMap{}
rs, err := comp.BaseClient.RequestRaw(ctx, comp.TicketEndpoint, http.MethodPost, &object.HashMap{
"query": &object.StringMap{
"type": ticketType,
}}, nil, nil)
if err != nil {
return nil, err
}
err = comp.BaseClient.HttpHelper.ParseResponseBodyToMap(rs, mapRSBody)
if (*mapRSBody)["errcode"].(float64) != 0 {
return mapRSBody, errors.New((*mapRSBody)["errmsg"].(string))
}
result, err := comp.BaseClient.CastResponseToType(rs, response2.TYPE_MAP)
if err != nil {
return nil, err
}
resultData := result.(*object.HashMap)
err = comp.GetCache().Set(cacheKey, result, time.Duration((*resultData)["expires_in"].(float64)-500)*time.Second)
if err != nil {
return nil, err
}
if !comp.GetCache().Has(cacheKey) {
return nil, errors.New("Failed to cache jssdk ticket. ")
}
return resultData, nil
}
func (comp *Client) ConfigSignature(ctx context.Context, url string, nonce string, timestamp int64) (*object.HashMap, error) {
if nonce == "" {
nonce = object.QuickRandom(10)
}
if timestamp == 0 {
timestamp = time.Now().Unix()
}
result, err := comp.GetTicket(ctx, false, "jsapi")
if err != nil {
return result, err
}
ticket := (*result)["ticket"].(string)
return &object.HashMap{
"appId": comp.GetAppID(),
"nonceStr": nonce,
"timestamp": timestamp,
"url": url,
"signature": comp.GetTicketSignature(ticket, nonce, timestamp, url),
}, nil
}
func (comp *Client) GetTicketSignature(ticket string, nonce string, timestamp int64, url string) string {
param := fmt.Sprintf("jsapi_ticket=%s&noncestr=%s×tamp=%d&url=%s", ticket, nonce, timestamp, url)
hash := sha1.New()
hash.Write([]byte(param))
bs := hash.Sum(nil)
return fmt.Sprintf("%x", bs)
}
func (comp *Client) dictionaryOrderSignature(params []string) string {
sort.Strings(params)
strJoined := strings.Join(params, "")
hash := sha1.New()
hash.Write([]byte(strJoined))
return fmt.Sprintf("%x", hash.Sum(nil))
}
func (comp *Client) SetUrl(url string) *Client {
comp.url = url
return comp
}
func (comp *Client) GetUrl(externalRequest *http.Request) string {
if comp.url != "" {
return comp.url
}
return externalRequest.URL.String()
}
func (comp *Client) GetAppID() string {
config := (*comp.BaseClient.App).GetConfig()
return config.GetString("app_id", "")
}
func (comp *Client) getAgentID() string {
config := (*comp.BaseClient.App).GetConfig()
return config.GetString("agent_id", "")
}