function send(access_token, openid, type, obj) {
let data = {
touser: openid,
msgtype: type
};
data[type] = obj;
console.log('send', data, access_token);
let resp = co.yield(fetch(`https://api.weixin.qq.com/cgi-bin/message/custom/send?access_token=${access_token}`, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(data)
}));
if (resp.ok) {
let ret = co.yield(resp.json());
if (ret.errcode) {
throw {message: ret.errmsg, errno: ret.errcode}
}
} else {
throw {message: 'errno ' + resp.status, errno: resp.status}
}
}
export function getUserInfo(access_token, openid) {
let resp = co.yield(fetch(`https://api.weixin.qq.com/sns/userinfo?access_token=${access_token}&openid=${openid}&lang=zh_CN`));
if (resp.ok) {
return co.yield(resp.json());
} else {
throw {message: 'errno ' + resp.status, errno: resp.status}
}
}
export function getBaseInfo(name, code) {
let receiver = receivers[name];
let resp = co.yield(fetch(`https://api.weixin.qq.com/sns/oauth2/access_token?appid=${receiver.appid
}&secret=${receiver.secret}&code=${code}&grant_type=authorization_code`));
if (resp.ok) {
return co.yield(resp.json());
} else {
throw {message: 'errno ' + resp.status, errno: resp.status}
}
}
export function getJsPayConfig(name, openid, remote_ip, order_id, body, price, notify_url) {
//console.log('getJsPayConfig', arguments);
let receiver = receivers[name];
let nonceStr = Math.random().toString(36).substr(2, 6);
let params = {
appid: {TEXT: receiver.appid},
body: {TEXT: body, CDATA: true},
device_info: {TEXT: 'WEB'},
mch_id: {TEXT: receiver.mch_id},
nonce_str: {TEXT: nonceStr},
notify_url: {TEXT: notify_url},
openid: {TEXT: openid},
out_trade_no: {TEXT: order_id},
spbill_create_ip: {TEXT: remote_ip},
total_fee: {TEXT: (price * 100 | 0)},
trade_type: {TEXT: 'JSAPI'}
};
let signature = pay_signature(params, receiver.mch_key);
params.sign = {TEXT: signature};
let payload = build(params);
let resp = co.yield(fetch(`https://api.mch.weixin.qq.com/pay/unifiedorder`, {
method: 'POST',
body: payload
}));
let respData = getPayResult(name, resp);
let now = Date.now();
let ts = now / 1000 | 0;
let signStr = `appId=${receiver.appid}&nonceStr=${nonceStr}&package=prepay_id=${respData.prepay_id.TEXT}&signType=MD5&timeStamp=${ts}&key=${receiver.mch_key}`;
info(`created js pay config: order:${order_id} price:${price} ip:${remote_ip} openid:${openid}`);
return {
timestamp: ts, // 支付签名时间戳，注意微信jssdk中的所有使用timestamp字段均为小写。但最新版的支付后台生成签名使用的timeStamp字段名需大写其中的S字符
nonceStr: nonceStr, // 支付签名随机串，不长于 32 位
'package': 'prepay_id=' + respData.prepay_id.TEXT, // 统一支付接口返回的prepay_id参数值，提交格式如：prepay_id=***）
signType: 'MD5', // 签名方式，默认为'SHA1'，使用新版支付需传入'MD5'
paySign: md5(signStr, 'hex').toUpperCase() // 支付签名
}
}
export function getClientAccessToken(name) {
let receiver = receivers[name];
let now = Date.now();
if (cachedToken.expires < now) {
let resp = co.yield(fetch(`https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=${receiver.appid
}&secret=${receiver.secret}`));
if (resp.ok) {
let ret = co.yield(resp.json());
if (ret.errcode) {
throw {message: ret.errmsg, errno: ret.errcode}
}
cachedToken = {
access_token: ret.access_token,
expires: now + ret.expires_in * 1000 - 3000
};
} else {
throw {message: 'errno ' + resp.status, errno: resp.status}
}
}
return cachedToken.access_token;
}
export function getJsConfig(name, url) {
let now = Date.now();
let receiver = receivers[name];
if (cachedTicket.expires < now) {
console.log('acquire new ticket');
let access_token = getClientAccessToken(name);
let resp = co.yield(fetch(`https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=${access_token}&type=jsapi`));
if (resp.ok) {
let ret = co.yield(resp.json());
if (ret.errcode) {
throw {message: ret.errmsg, errno: ret.errcode}
}
cachedTicket = {
ticket: ret.ticket,
expires: now + ret.expires_in * 1000 - 3000
};
} else {
throw {message: 'errno ' + resp.status, errno: resp.status}
}
}
let ts = now / 1000 | 0;
let nonceStr = Math.random().toString(36).substr(2, 6);
let signStr = `jsapi_ticket=${cachedTicket.ticket}&noncestr=${nonceStr}×tamp=${ts}&url=${url}`;
console.log('jsapi sign', signStr);
let signature = sha1(signStr, 'hex');
return {
appId: receiver.appid,
timestamp: ts,
nonceStr: nonceStr,
signature: signature,
jsApiList: ['chooseWXPay']
}
}