【发布时间】:2020-05-10 17:13:40
【问题描述】:
我试图重写一个函数,该函数使用 request-promise 库基于节点获取来执行 get 请求:
这是 request-promise 中的方法:
import { default as request } from 'request-promise';
async function sendGet(cookies, url) {
const options = {
method: 'GET',
uri: url,
headers: {
Accept: 'text/html,application/xhtml+xml,application/xml',
'Upgrade-Insecure-Requests': '1',
'Accept-Encoding': 'gzip, deflate, sdch, br',
'Accept-Language': 'en-US,en;q=0.8',
Host: 'some.url.com',
Connection: 'keep-alive',
cookie: cookies,
},
json: true,
resolveWithFullResponse: true,
simple: false,
followRedirect: false,
};
try {
const response = await request(getNextOptions);
return {
cookies: response.headers['set-cookie'],
location: response.headers['location'],
};
} catch (e) {
throw e;
}
}
当更改为 node-fetch 时,它会给出以下错误响应:
“在此服务器上找不到请求的 URL /session/auth/failure。 此外,在尝试使用 ErrorDocument 处理请求时遇到 404 Not Found 错误。”
import fetch from 'node-fetch';
async function sendGet(cookies, url) {
const headers = {
'Upgrade-Insecure-Requests': '1',
'Accept-Language': 'en-US,en;q=0.8',
Host: 'some.url.com',
Connection: 'keep-alive',
cookie: cookies,
}
try {
const result = await fetch(url, {
headers,
compress: true
});
const body = await result.json();
return {
cookies: body.headers.raw()['set-cookie'],
location: body.headers.get('location'),
};
} catch (e) {
throw e;
}
我认为我通过的标头可能有问题,但经过几天的研究,我无法让它发挥作用。标题差异的一些解释:
- 我没有使用
Accept标头,因为 node-fetch 默认添加Accept: */* - 而不是
'Accept-Encoding': 'gzip, deflate, sdch, br'我使用compression: true
提前感谢您的帮助!
【问题讨论】:
标签: javascript node.js request-promise node-fetch