116 lines
3.6 KiB
Go
116 lines
3.6 KiB
Go
package weworkapi_golang
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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"net/url"
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"strings"
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)
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const Token = "nn3P9sfkGK5UlHgtNoAqB"
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const ReceiverId = "ww9a156bfa070e1857"
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const EncodingAeskey = "471RkJkfISWJQUC2f8DSdOgXH0reVCxWCpfaTawSIWA"
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func GetString(str, endstr string, start int, msg *string) int {
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end := strings.Index(str, endstr)
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*msg = str[start:end]
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return end + len(endstr)
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}
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func VerifyURL(w http.ResponseWriter, r *http.Request) {
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//httpstr := `&{GET /?msg_signature=825075c093249d5a60967fe4a613cae93146636b×tamp=1597998748&nonce=1597483820&echostr=neLB8CftccHiz19tluVb%2BUBnUVMT3xpUMZU8qvDdD17eH8XfEsbPYC%2FkJyPsZOOc6GdsCeu8jSIa2noSJ%2Fez2w%3D%3D HTTP/1.1 1 1 map[Cache-Control:[no-cache] Accept:[*/*] Pragma:[no-cache] User-Agent:[Mozilla/4.0]] 0x86c180 0 [] false 100.108.211.112:8893 map[] map[] <nil> map[] 100.108.79.233:59663 /?msg_signature=825075c093249d5a60967fe4a613cae93146636b×tamp=1597998748&nonce=1597483820&echostr=neLB8CftccHiz19tluVb%2BUBnUVMT3xpUMZU8qvDdD17eH8XfEsbPYC%2FkJyPsZOOc6GdsCeu8jSIa2noSJ%2Fez2w%3D%3D <nil>}`
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fmt.Println(r, r.Body)
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httpstr := r.URL.RawQuery
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start := strings.Index(httpstr, "msg_signature=")
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start += len("msg_signature=")
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var msg_signature string
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next := GetString(httpstr, "×tamp=", start, &msg_signature)
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var timestamp string
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next = GetString(httpstr, "&nonce=", next, ×tamp)
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var nonce string
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next = GetString(httpstr, "&echostr=", next, &nonce)
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echostr := httpstr[next:len(httpstr)]
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echostr, _ = url.QueryUnescape(echostr)
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fmt.Println(msg_signature, timestamp, nonce, echostr, next)
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wxcpt := NewWXBizMsgCrypt(Token, EncodingAeskey, ReceiverId, JsonType)
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echoStr, cryptErr := wxcpt.VerifyURL(msg_signature, timestamp, nonce, echostr)
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if nil != cryptErr {
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fmt.Println("verifyUrl fail", cryptErr)
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}
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fmt.Println("verifyUrl success echoStr", string(echoStr))
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fmt.Fprintf(w, string(echoStr))
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}
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func MsgHandler(w http.ResponseWriter, r *http.Request) {
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httpstr := r.URL.RawQuery
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start := strings.Index(httpstr, "msg_signature=")
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start += len("msg_signature=")
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var msg_signature string
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next := GetString(httpstr, "×tamp=", start, &msg_signature)
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var timestamp string
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next = GetString(httpstr, "&nonce=", next, ×tamp)
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nonce := httpstr[next:len(httpstr)]
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fmt.Println(msg_signature, timestamp, nonce)
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body, err := ioutil.ReadAll(r.Body)
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fmt.Println(string(body), err)
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wxcpt := NewWXBizMsgCrypt(Token, EncodingAeskey, ReceiverId, JsonType)
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msg, err_ := wxcpt.DecryptMsg(msg_signature, timestamp, nonce, body)
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fmt.Println(string(msg), err_)
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var msgContent MsgContent
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err = json.Unmarshal(msg, &msgContent)
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if nil != err {
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fmt.Println("Unmarshal fail", err)
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} else {
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fmt.Println("struct", msgContent)
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}
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fmt.Println(msgContent, err)
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ToUsername := msgContent.ToUsername
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msgContent.ToUsername = msgContent.FromUsername
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msgContent.FromUsername = ToUsername
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fmt.Println("replaymsg", msgContent)
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replayJson, err := json.Marshal(&msgContent)
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encryptMsg, cryptErr := wxcpt.EncryptMsg(string(replayJson), "1409659589", "1409659589")
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if nil != cryptErr {
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fmt.Println("DecryptMsg fail", cryptErr)
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}
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sEncryptMsg := string(encryptMsg)
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fmt.Println("after encrypt sEncryptMsg: ", sEncryptMsg)
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fmt.Fprintf(w, sEncryptMsg)
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}
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func CallbackHandler(w http.ResponseWriter, r *http.Request) {
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httpstr := r.URL.RawQuery
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echo := strings.Index(httpstr, "echostr")
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if echo != -1 {
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VerifyURL(w, r)
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} else {
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MsgHandler(w, r)
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}
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fmt.Println("finished CallbackHandler", httpstr)
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}
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func main() {
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http.HandleFunc("/", CallbackHandler) // 设置访问路由
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log.Fatal(http.ListenAndServe(":8893", nil))
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}
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