ããŒãããã¹ã¬ãããååŸããããã«ã4chanã®APIã«GETãªã¯ãšã¹ããéä¿¡ããŠããŸãã ããã¯ç§ã®ã³ãŒãã§ãïŒ
const board = this.props.routeParams.tag;
var config = {
headers: {'Access-Control-Allow-Origin': '*'}
};
axios.get('https://a.4cdn.org/' + board + '/threads.json', config)
.then(function (response) {
console.log(response.data);
});
次ã®èŠåã衚瀺ãããŸãã
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://a.4cdn.org/a/threads.json. (Reason: CORS header âAccess-Control-Allow-Originâ missing).
äžèšã®ããã«ãé¢é£ããããããŒãè¿œå ããŸããããåé¡ã¯è§£æ±ºããŸããã cURLã䜿çšããŠç«¯æ«ããåããªã¯ãšã¹ããè¡ããŸããããæ£åžžã«æ©èœããŸããã
cURLã¯CORSã«ãŒã«ãé©çšããŸããã ãããã®ã«ãŒã«ã¯ãã»ãã¥ãªãã£ã®ç®çã§ãã©ãŠã¶ã«ãã£ãŠé©çšãããŸãã
é¢é£ããããããŒãè¿œå ãããšèšããšãã¯ããããã®ããããŒããªã¯ãšã¹ãã«è¿œå ããããšãæå³ããŠãããšæããŸãã å®éã«ã¯ãããããŒã¯ãµãŒããŒããã®å¿çããããŒã§äºæãããŠããããªãœãŒã¹ãä»ã®Webãµã€ãããçŽæ¥ã¢ã¯ã»ã¹ã§ããããšã瀺ããŠããŸãã
åèãŸã§ã«ãCORS-ã¯ãã¹ãªãªãžã³ãªãœãŒã¹ã·ã§ã¢ãªã³ã°ã APIã¯ããããµããŒãããŠããªãããã2ã€ã®ãªãã·ã§ã³ããããŸã-
ãã®åé¡ããåé¡ã§ã¯ãªãããšããŠã¯ããŒãºããããšã«æ祚ããããšæããŸãã
ææ¡ããããšãããããŸãã ãããã·ãä»ããŠãªã¯ãšã¹ããã«ãŒãã£ã³ã°ããããã«ã³ãŒããæŽæ°ããŸããã
axios.get('https://a.4cdn.org/a/threads.json', {
headers: {
'Access-Control-Allow-Origin': '*',
},
proxy: {
host: '104.236.174.88',
port: 3128
}
}).then(function (response) {
console.log('response is : ' + response.data);
}).catch(function (error) {
if (error.response) {
console.log(error.response.headers);
}
else if (error.request) {
console.log(error.request);
}
else {
console.log(error.message);
}
console.log(error.config);
});
ãã ãããŸã ãã®ãšã©ãŒãçºçããŠããŸãã
ã¯ãã¹ãªãªãžã³ãªã¯ãšã¹ãããããã¯ãããŸããïŒåäžçæå ããªã·ãŒã§ã¯ã httpsïŒ//a.4cdn.org/a/threads.jsonã«ãããªã¢ãŒããªãœãŒã¹ã®èªã¿åããçŠæ¢ãããŠã
Stack Overflowã«é¢ããããŸããŸãªãã©ãŒã©ã ã質åãæ€çŽ¢ããŸããããããã«å¯Ÿãã解決çãèŠã€ãããªãããã§ãã 誰ããäœããã®æŽå¯ãæäŸã§ããã°å¹žãã§ãã
ããã«é¢ãããã¥ãŒã¹ã¯ãããŸããïŒ ç§ã¯ã»ãšãã©åãè¹ã«ä¹ã£ãŠããŸã...
ã¯ãã¹ãªãªãžã³ãªã¯ãšã¹ãããããã¯ãããŸããïŒåäžçæå ããªã·ãŒã§ã¯ã httpsïŒ//a.4cdn.org/a/threads.jsonã«ãããªã¢ãŒããªãœãŒã¹ã®èªã¿åããçŠæ¢ãããŠã
ããã¯ã httpsïŒ//a.4cdn.orgãšhttps://boards.4chan.orgãç°ãªããã¡ã€ã³ãšèŠãªãããããã§ãã éãã¯ãšããŒãã§ãããŸã
ç§ãåãåé¡ãæ±ããŠããŸãã 誰ããããã«ã€ããŠç§ãå©ããŠãããŸãã
ãããããã
äžæçãªè§£æ±ºçãšããŠãããã䜿çšã§ããŸãïŒ https ïŒ
ä»ã®ãšããããã以äžè¯ããã®ã¯èŠã€ãããŸããã§ããã
@PetitBateauChromeæ¡åŒµæ©èœã
@ adl1995ããã¯ç§ã®ããã«ããªãã¯ãããŸãã;ïŒ
Chromeæ¡åŒµæ©èœã¯ãæ¡åŒµæ©èœãæã£ãŠãã人ã«ã®ã¿åœ¹ç«ã¡ãŸãã 誰ãããã®æ¡åŒµæ©èœãæã£ãŠããããã§ã¯ãªãã®ã§ãæ¬çªç°å¢ã§Chromeæ¡åŒµæ©èœã«äŸåããããšã¯è¯ãèãã§ã¯ãããŸããã
ã ããç§ã¯ãããäžæçãªè§£æ±ºçã ãšèšã£ãã®ã§ãã ãããŠãã¡ãããéçºç°å¢ã®å Žåã
Access-Control-Allow-Originã¯å¿çããããŒã§ãããèŠæ±ããããŒã§ã¯ãããŸããã
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Access-Control-Allow-Origin
axios.getïŒurlã{headersïŒ{'Access-Control-Allow-Origin'ïŒ*}}ïŒã¯äœã®æå³ããããŸããïŒ
è©Šã
axios.getïŒurlã{ã¯ãã¹ãã¡ã€ã³ïŒtrue}ïŒ
@ronninèšé²ã®ããã«ãç§ã¯ããªãã®è§£æ±ºçãè©ŠããŸãããã
AJAXãªã¯ãšã¹ããè¡ã£ãŠãããªã¢ãŒããµãŒãã¹ã¯ããã¡ã€ã³ããã®ã¯ãã¹ãªãªãžã³AJAXãªã¯ãšã¹ããåãå ¥ããŸããã Webãµã€ãã®ãµãŒããŒåŽã³ãŒãããŒã¹ã«ã¢ã¯ã»ã¹ã§ããå Žåã«å®è¡ã§ããããšã®1ã€ã¯ãããã§ã³ã³ãããŒã©ãŒã¢ã¯ã·ã§ã³ãäœæãïŒMVCã䜿çšããŠãããšæ³å®ïŒãããã䜿çšããŠãªã¢ãŒããµãŒãã¹ãå©çšããããšã§ãã ãã®åŸãã³ã³ãããŒã©ãŒã¢ã¯ã·ã§ã³ã«å¯ŸããŠAJAXãªã¯ãšã¹ããè¡ãããšãã§ããŸãã ãã®ã¢ãããŒãã®å©ç¹ã¯ããªã¢ãŒããµãŒãã¹ã«æ¥ç¶ããåã«è¿œå ã®ãã§ãã¯ãå®è¡ãããã®å¿çããã©ãŒãããããããã«ã¯ãã£ãã·ã¥ããããšãã§ããããšã§ãã
ã¿ãªããããããèªãã§ãã ããã
https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS
ç§ã¯ãã€ããã®MDNããã¥ã¡ã³ããžã®åç §ãããŸã圹ã«ç«ããªããšæã£ãŠããŸãã ãã®é·ãææžã§ãããç®åã®è³ªåã«çŽæ¥å¯ŸåŠããŠããŸããã ãµãŒããŒåŽã®ã³ãŒãããŒã¹ã«ã¢ã¯ã»ã¹ã§ããããã®APIã«ã¢ã¯ã»ã¹ãããå Žåã¯ã©ãããã°ããã§ããïŒ
ç§ã®è§£æ±ºçã¯ããã¡ã€ã³ãµãŒããŒäžã«ç¬èªã®APIãäœæããŠãã¯ãã¹ãªãªãžã³ãªã¯ãšã¹ããèš±å¯ããªãå€éšAPIã«ã¢ã¯ã»ã¹ããããšã§ããããããªããŒã¿ãŒAPIãšåŒã³ãŸãã
@JigzPalilloã¢ãããŒããã³ãŒããå ±æã§ããŸããïŒ ç§ã¯ããªãç«ã¡åŸçããŠããŸãïŒ :(
éåžžãããã¯æ©èœããŸãããæ©èœããããã®ãã¡ã€ã³ã«ã¢ã¯ã»ã¹ã§ããªãå Žåã¯...
axios.get('https://www.notmydomain.com/1511.json')
.then(function (response) {
console.log(response.data);
});
ç§ãããããšã¯ããµãŒããŒäžã«ãªããŒã¿ãŒãäœæããããšã§ãã
axios.get('https://www.mydomain.com/repeater.php?url=https://www.notmydomain.com/1511.json')
.then(function (response) {
console.log(response.data);
});
/* repeater.php */
function collect_data($url){
$ch = curl_init();
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); //remove on upload
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_VERBOSE, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_AUTOREFERER, false);
curl_setopt($ch, CURLOPT_REFERER, "https://www.notmydomain.com");
curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);
curl_setopt($ch, CURLOPT_HEADER, 0);
$result = curl_exec($ch);
echo curl_error($ch);
curl_close($ch);
return($result);
}
echo collect_data($_GET["url"]);
ãµãŒããŒã¯ããªãã·ã§ã³åŒã³åºãã§CORSããããŒã§å¿çããå¿ èŠããããŸãã nodejs / expressã䜿çšããŠããå Žåã¯ã次ã®æ¹æ³ã§ãã¹ãŠã®ãšã³ããã€ã³ãã«å¯ŸããŠãããä¿®æ£ã§ããŸãã
app.use(function(req, res, next) {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
next();
});
ããããããã¯å°ãç·©ãã§ãã ããããçç£ã®ããã«åŒãç· ãããã§ãããã
ããããç§ã¯é·ãéãã®åé¡ã解決ããŠããŸããã ãµãŒããŒã¯3pãµãŒãã¹ã«å±ããŠãããããå¶åŸ¡ã§ããŸããã 代ããã«åã«ãããã·ããŸããã ãã¹ãŠããã®é¢ã§é 調ã§ãã
ããããšã
@stevesworkã¯ããã§ãåãã§ãããµãŒããŒã¯3pãµãŒãã¹ã«å±ããŠããŸããç§ãajaxãrequest.jsã䜿çšã§ããã®ã¯ããªãæ²ããã§ãããç§ã奜ãaxiosã¯äœ¿çšã§ããŸããð
@ adl1995ã¯ããã®åé¡ããŸã ä¿®æ£ã§ããã®ã§ããããã ãã®ãšã©ãŒã®åŠçæ¹æ³ãå®å šã«æ··ä¹±ãããŸã
2018幎ã«ãªããŸããããæŽæ°ã¯ãããŸããïŒ
@ challenger532ããããŸã ãããŸããã
ãšã©ãŒã¯ãŸã è延ããŠããŸãã
ç§ã®ã¢ããã€ã¹ïŒå¥ã®ã©ã€ãã©ãªã䜿çšããŠãã ããã
ããŠãããã¯ã¡ãã£ãšç§ã®åé¡ã解決ããŸããã ã»ããç§ã¯vuejsãšLaravelã䜿ã£ãŠããŸã...ç§ã¯æ¬¡ã®ããã«phpã§LaravelWebã«ãŒããèšå®ããŸããïŒ
Route::get('distancematrix/{source}/{destination}', function($source,$destination){
$url = "https://maps.googleapis.com/maps/api/distancematrix/json?units=imperial&origins=$source&destinations=$destination&key=YOUR_API_KEY";
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_PROXYPORT, 3128);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
$response = curl_exec($ch);
curl_close($ch);
return json_decode($response, true);
});
次ã«ãvuejsãã¡ã€ã«ã䜿çšããŠaxiosã䜿çšããŠã«ãŒãã«ãªã¯ãšã¹ããéä¿¡ããŸããã
axios.get("distancematrix/place_id:${this.place.source}/place_id:${this.place.destination}").then(response => {
console.log('====================================')
console.log(response.data)
console.log('====================================')
})
ãããŠåºæ¥äžãããããã¯ããŸããããŸãã
Laravelã䜿çšããå Žåãè¿œå æ©èœïŒ
headerïŒ 'Access-Control-Allow-OriginïŒ*'ïŒ;
ã³ã³ãããŒã©ãŒãŸãã¯ã«ãŒãã«æ»ãå
äŸïŒ
Route::get('post',function(){
$jav = Blog::all();
header('Access-Control-Allow-Origin: *');
return $jav;
});
ç§ã®è±èªã§ããããªããã ãããã圹ã«ç«ãŠã°å¹žãã§ãã
APIã«vue.jsïŒããŒã«ã«ãã¹ãããŒã8080ïŒãšFlaskã䜿çšããŠããŸãïŒããŒã«ã«ãã¹ãããŒã5000ïŒ
APIã³ãŒãïŒããŒã5000ã®FlaskïŒã«å°ããªå€æŽãå ããã ãã§æžã¿ãŸããã
ãã©ã¹ã³æ¡åŒµãã©ã¹ã³-CORSãè¿œå ããããã䜿çšããããã«ã³ãŒããå€æŽããŸããã
åïŒ
from flask import Flask, request
import json
app = Flask(__name__)
åŸïŒ
from flask import Flask, request
import json
from flask_cors import CORS
app = Flask(__name__)
CORS(app)
ãã®åŸãããã¯æ©èœããAPIã䜿çšã§ããããã«ãªããŸããã
ãããã£ãŠãããã¯å®éã«ã¯axiosã®åé¡ã§ã¯ãããŸããããAPIã®åé¡ã§ãããaxios.geté¢æ°ãåŒã³åºããªãã§FirefoxããèŠåã衚瀺ãããŸãã
ããããŒãšãããã·ãªãã·ã§ã³ãèšå®ããããšã§ã代ããã«Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource.
ãååŸããŸããã
ããããç§ã¯ãã®æ¡åŒµæ©èœã§ãããåé¿ããããšãã§ããŸããïŒ https ïŒ
æ²ããããšã«ãããã¯æšæ¥ã ãã§ä»æ¥ã¯ããŸããããŸããã§ãã...ç§ã¯ãªãå°çãç解ããããšããŠããŸãã
éçºã¢ãŒãã§ã®_cors_ãåé¿ããããã®WebpackéçºãµãŒããŒã䜿çšãããããã·ãªã¯ãšã¹ã
webpack.configãã¡ã€ã«ã«è¿œå ããŸã
"devServer":{
"proxy": {
"/api": {
"target": 'https://my-target.com',
"pathRewrite": { '^/api': '' },
"changeOrigin": true,
"secure": false
}
}
}
äžèšã®äŸã¯ãªã¯ãšã¹ãããããã·ããŸãaxios.post(/api/posts/1 ... . . . .
https://my-target.com/posts/1
äžèšã®Gitã®äŸã§ã¯ããªã¯ãšã¹ãã§
axios.get('/api/a/threads.json', {
headers: {
// if u have some headers like this
// 'Authorization': ' Basic //////some values'
},
}).then(function (response) {
console.log('response is : ' + response.data);
}).catch(function (error) {
if (error.response) {
console.log(error.response.headers);
}
else if (error.request) {
console.log(error.request);
}
else {
console.log(error.message);
}
console.log(error.config);
});
webpack.configãã¡ã€ã«å .......ã
"devServer":{
"proxy": {
"/api": {
"target": 'https://a.4cdn.org',
"pathRewrite": { '^/api': '' },
"changeOrigin": true,
"secure": false
}
}
}
å€æŽãããwebpackæ§æãããã·ã¯ããã®ããã«ãªã¯ãšã¹ããå€æŽããŸãã
u can see this in chrome dev tool REQUEST HEADERS
https://a.4cdn.org/a/threads.json
uã¯ãã®ããã«devServerãããã·ã§è€æ°ã®ãã¹ã䜿çšã§ããŸã
webpack.configãã¡ã€ã«å
.......ã
"devServer":{
"proxy": {
"/api": {
"target": 'https://a.4cdn.org',
"pathRewrite": { '^/api': '' },
"changeOrigin": true,
"secure": false
},
"/login": {
"target": 'https://github.com', // for example
"pathRewrite": { '^/login': '' },
"changeOrigin": true,
"secure": false
},
"/post": {
"target": 'https://facebook.com', // for example
"pathRewrite": { '^/post': '' },
"changeOrigin": true
}
}
}
å¿ èŠã«å¿ããŠäœ¿çš
"changeOrigin": true,
"secure": false
ç§ã¯ãããä¿®æ£ããããã«äœæéãè²»ãããŸããããããŠã©ãã§ãå©ãããªãããã§ãã ç°¡åã§è¿ éãªæ¹æ³ã¯ãAllow-Control-Allow-Origin *ãšåŒã°ããChromeæ¡åŒµæ©èœãè¿œå ããããšã§ãã https://chrome.google.com/webstore/detail/allow-control-allow-origi/nlfbmbojpeacfghkpbjhddihlkkiljbi?hl=en
ããªãã ããå©ããŸãããä»ã®äººã¯ã©ãã§ããïŒ
ãªããšãªã䟿å©ïŒ https ïŒ
Vueãšaxiosãè©ŠããŠã¿ããšãæããã«åãåé¡ãçºçããŸããã
sundar6445ãæäŸãããœãªã¥ãŒã·ã§ã³ãè©ŠããŠã¿ããšãããå®å
šã«æ©èœããŸãã
ç§ãå€æŽããwebpackèšå®ãã¡ã€ã«ã¯
ãã®äžã«ããªãã¯èŠã€ããŸã
module.exports = {
dev: {
...
proxyTable: {},
sundarã§èª¬æãããŠããããã«ãproxyTableãããšãã°æ¬¡ã®ããã«å€æŽããŸãã
proxyTable: ({
'/events': {
"target": 'http://localhost:3000',
"changeOrigin": true,
"secure": false
}
}),
ããã¯ã/ eventsã§å§ãŸããã¹ãŠãhttpïŒ// localhost ïŒ3000 / eventsã«ã«ãŒãã£ã³ã°ãããããšãæå³ããŸãã ç§ã®å ŽåããpathRewriteãã¯ãããŸãããçžå¯ŸURLã¯åãã«ãªããŸãã
ãã¡ãããVueã³ã³ããŒãã³ãã®å®å šãªURLãåé€ããããšãå¿ããªãã§ãã ããã ç§ãæã£ãŠããïŒ
mounted () {
axios.get('http://localhost:3000/events/nb')
.then(result => {
this.new_et_nb = result.data
console.log('*******' + JSON.stringify(result) + ', ' + result.data)
}, error => {
console.error(error)
})
}
ããã¯ãããã«ãªãïŒ
mounted () {
axios.get('/events/nb')
.then(result => {
this.new_et_nb = result.data
console.log('*******' + JSON.stringify(result) + ', ' + result.data)
}, error => {
console.error(error)
})
}
ãããŠããã¯å®å šã«ããŸãæ©èœããŸãã @ sundar6445ã«æè¬ã
ã圹ã«ç«ãŠãã°
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ããã¯çµéšè±å¯ãªéçºè ã¯èšããŸã§ããããŸããããã³ãŒãã£ã³ã°ã«äžæ £ããªäººã®ããã«ãäžæã®APIããŒãããããšã確èªããŠãã ããã ãã¹ãŠã®APIãäžæã®ããŒãå¿ èŠãšããããã§ã¯ãããŸããããå¿ èŠãªå Žåã¯å¿ ãå¿ èŠã«ãªããŸãã ç¹å®ã®APIã®APIããã¥ã¡ã³ããåç §ããŠãå¿ èŠãªãã®ã確èªããŠãã ããã
Axioså
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ã¯ã©ã€ã¢ã³ãã§JavaScriptãå®è¡ããŠïŒCORSãç¡å¹ã«ããXSSã®ã¿ãŒã²ããã«ããããšãªãïŒãå¥ã®ãµã€ãããæ å ±ãååŸããããšã¯ã§ããŸããã
ããã¯ãã¯ã©ã€ã¢ã³ãã®ãã©ãŠã¶ã«ã¢ã¯ã»ã¹ããŠãéè¡å£åº§ã空ã«ããããèš±å¯ãªããµã€ãã«æçš¿ãããããã®ãé²ãããã§ãã åãããšãã¹ã¯ã¬ã€ãã³ã°ãµã€ãã«ãåœãŠã¯ãŸããŸãïŒããã¯æ¬è³ªçã«ãopãè¡ãããšããŠããããšã§ãïŒã
CORSã¢ãžã¥ãŒã«ãåãããµãŒããŒã䜿çšããŠWebãã¹ã¯ã¬ã€ãã³ã°ïŒã€ãŸããããŒã¿ããã§ããïŒãããã®ãµãŒããŒãä»ããŠãããã·ããããšãã§ããŸãã
ãã®ããããŒæ§æã§ãã®åé¡ã解決ãããšæããŸãã
headers: { 'content-type': 'application/x-www-form-urlencoded' }
ããããšã
ããã¯æ±ºãŸãæå¥ã«èãããŸããããã®åé¡ã«å¯Ÿããç§ã®è§£æ±ºçã¯ããã®åŒã³åºããåŠçããããã®ã«ã¹ã¿ã APIãäœæããããšã§ãã
åé¡ã¯ã¢ã¯ã·ãªã¹ã§ã¯ãããŸããã åé¡ã¯ãµãŒããŒã«ãããŸãã ããŒã¿ãæäŸãããšãã¯ãéä¿¡ããåã«æ¬¡ã®ããããŒãè¿œå ããå¿ èŠããããŸãã
Access-Control-Allow-Originã¯*ã«èšå®ããå¿ èŠããããŸã
Access-Control-Allow-Headersã¯ãOriginãX-Requested-WithãContent-TypeãAcceptã«èšå®ããå¿ èŠããããŸã
ãœãŒã¹ïŒ axios.getåŒã³åºãã®å®è¡äžã«CORSãšã©ãŒãçºçããŸãã
ãããã®åçãåç §ããŠã次ã®ããã«ããããã®è¡ãããã¯ãšã³ãExpressãµãŒããŒã«è¿œå ããŸããã
app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", "http://127.0.0.1:8080"); //My frontend APP domain
res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE');
res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization');
next();
});`
åºå žïŒ ExpressJSã®CORS
ãŸããaxiosãŸãã¯ããã³ããšã³ãã§è¿œå ã®æ§æãè¡ããªããŠãããã¹ãŠãæ£åžžã«æ©èœãããããå®éã«ã¯axiosã®åé¡ã§ã¯ãªãããµãŒããŒåŽã®ããããŒæ§æãäžè¶³ããŠããŸãã
æåŸã«ãç§ã¯stackoverflowã«é¢ãããã®ä»ã®
CORSããªãã©ã€ããåé¿ããæ¹æ³
CORSãããã·ã䜿çšããŠãAccess-Control-Allow-OriginããããŒããªããåé¡ãåé¿ããæ¹æ³
ãAccess-Control-Allow-OriginããããŒã¯ã¯ã€ã«ãã«ãŒãã§ãã£ãŠã¯ãªããªããåé¡ãä¿®æ£ããæ¹æ³
ããã圹ã«ç«ãŠã°å¹žãã
CORSããããŒã«åé¡ãããïŒè€æ°ã®å€ããªããå«ãŸããŠããïŒãµãŒãããŒãã£ã®APIãŸãã¯URLããããŒã¿ããã§ããããå Žåãããã«å¯Ÿããå¯äžã®è§£æ±ºçã¯ãã®ãªã³ã¯ã䜿çšããããšã ãšæããŸã
" https://cors-anywhere.herokuapp.com/ "
ç§ã¯å°ããªãããžã§ã¯ãã«ã¯ãªã³ã¯ã䜿çšããŸããã倧ããªãããžã§ã¯ãã«ã¯ãåŒã³åºããåŠçããããã®ç¬èªã®APIãäœæãããªãŒãã³ãœãŒã¹ãããžã§ã¯ãhttps://github.com/Rob--W/cors-anywhereã䜿çšã§ããAPIãäœæããããšããå§ãããŸã
ããã¯æ©èœããŸãïŒ
axios.get(`${'https://cors-anywhere.herokuapp.com/'}https://a.4cdn.org/a/threads.json`)
.then(res => {
console.log(res)
})
4webmãš4chan-list-webmãäœæããŠãããšãã«ããã®åé¡ã«ã¶ã€ãããŸããã
ãã©ãŠã¶ãã©ã°ã€ã³ãäœæããå ŽåãAPIããããããããã«ããããŒãæäœããå¿ èŠããªãããšã«æ³šæããŠãã ããã @mootãåŒã³åºããšãCORSãæå¹ã«ãªããããããŸããïŒsmileïŒ
ã¯ãã¹ãã¡ã€ã³ïŒtrue
ããã¯ãšã³ãCORSã§ããŒãã8080ããæå¹ã«ããå¿ èŠãããããããæ©èœããŸããã
å®å š
ç解ãæ·±ããããã®webpackããã¥ã¡ã³ãïŒ https ïŒ//webpack.js.org/configuration/dev-server/#devserver -proxy
ããã¯ãšã³ãAPIã«laravelãŸãã¯lumenã䜿çšããŠããå Žåã ãããŠãããªãã¯ãã§ã«barryvdh / laravel-corsããã±ãŒãžã䜿çšããŠããŸãã 解決çã¯ãcors.phpæ§æãããããŒãã¡ãœãããããã³ãªãªãžã³éšåãšããŠæ¬¡ã®ããã«èšå®ããããšã§ãã
'allowedOrigins' => ['*'],
'allowedHeaders' => ['*'],
'allowedMethods' => ['*'],
ããŸãããã°ãããã¯èª°ãã®åé¡ã解決ããŸã
ãµãã¡ãªã§è¡ãå Žåã¯æéãããããŸããã[èšå®] >> [詳现]ããéçºè ã¡ãã¥ãŒãæå¹ã«ããéçºã¡ãã¥ãŒãã[ã¯ãã¹ãªãªãžã³å¶éãç¡å¹ã«ãã]ãéžæããã ãã§ãã ããŒã«ã«ã®ã¿ãå¿ èŠãªå Žåã¯ãéçºè ã¡ãã¥ãŒãæå¹ã«ããéçºã¡ãã¥ãŒãã[ããŒã«ã«ãã¡ã€ã«ã®å¶éãç¡å¹ã«ãã]ãéžæããã ãã§ãã
Chrome for OSXã§ã¿ãŒããã«ãéãã次ã®ã³ãã³ããå®è¡ããŸãã
$ open -a Google\ Chrome --args --disable-web-security --user-data-dir
--user-data-dirã¯OSXã®Chrome49以éã§å¿ èŠã§ã
Linuxã®å ŽåïŒ
$ google-chrome --disable-web-security
ãŸããAJAXãJSONãªã©ã®éçºç®çã§ããŒã«ã«ãã¡ã€ã«ã«ã¢ã¯ã»ã¹ããããšããŠããå Žåã¯ããã®ãã©ã°ã䜿çšã§ããŸãã
-âallow-file-access-from-files
Windowsã®å Žåã¯ãã³ãã³ãããã³ããã«ç§»åããChrome.exeããããã©ã«ããŒã«ç§»åããŠã次ã®ããã«å
¥åããŸãã
chrome.exe --disable-web-security
ããã«ãããåäžçæå
ããªã·ãŒãç¡å¹ã«ãªããããŒã«ã«ãã¡ã€ã«ã«ã¢ã¯ã»ã¹ã§ããããã«ãªããŸãã
äžèšã®ãã¹ãŠã®è§£æ±ºçãè©ŠããŸããã äœãæ©èœããŸããã
æçµçã«1ã€èŠã€ãããŸãã-httpsïŒ//github.com/expressjs/cors
ç§ã¯ãããããªããã¡ãå©ããããšãé¡ã£ãŠããŸã
äž»ãªåé¡ã¯ããµãŒããŒèŠæ±ãšã¯ã©ã€ã¢ã³ãèŠæ±ã®éãã§ãã
ã¯ã©ã€ã¢ã³ãïŒã»ãšãã©ã®å Žåããã©ãŠã¶ãŒïŒãä»ããŠèŠæ±ãè¡ãå Žåããã©ãŠã¶ãŒãœãããŠã§ã¢ã«ç¿»åŒãããŸãã ãã©ãŠã¶ãœãããŠã§ã¢ã®æšæºã¯ãããªãèªèº«ã®ãœãããŠã§ã¢ããæ¥ããããããªãããããã§ãªããããããªãæªæã®ãã掻åã®è©Šã¿ãé²ãããšã§ãã
èªåã®ãµãŒããŒïŒãã©ãŠã¶ãŒã¯ã©ã€ã¢ã³ãã§ã¯ãªãïŒãããªã¯ãšã¹ããè¡ãå Žåãèªåã§äœæããã³ãŒãã«ã€ããŠã¯ãïŒãµãŒããŒã®èšå®ã«å¿ããŠïŒèª°ãã¢ã¯ã»ã¹ãããå¶åŸ¡ãããããããšã¯ã§ããŸãããçš®é¡ã®ãªã¯ãšã¹ãã¯éä¿¡ããããããç°å¢ãç¥èã®å€éšã§çºçãããããã¯ãŒã¯åŒã³åºãã®å¿é ã¯ãããŸããã
ãã®ããããã©ãŠã¶ã¯ã¯ãã¹ãªãªãžã³ãªã¯ãšã¹ãã«å³å¯ã«å¯Ÿå¿ããŠããŸããç¹ã«ããããªãã¯ã³ãŒããã¯ã©ã€ã¢ã³ãã«é 眮ããããšã誰ãããã衚瀺ãã誰ãæäœã§ããããå¶åŸ¡ã§ããªããªãããã§ãã ããã³ããšã³ãã¢ããªã±ãŒã·ã§ã³ãå±éºã«ãããããäžéšã®æªæã®ãããœãããŠã§ã¢ã蚪åè /ãŠãŒã¶ãŒãç ç²ã«ããŠã³ãŒããããããã¯ãŒã¯åŒã³åºããå®è¡ã§ããå Žåã圌ãã¯ãããèµ·ãããªãããã«ããããšèããŠããŸãã ãããã£ãŠãmydomain.comã¯ãçºçããã€ããããªãã£ãå Žåã«åããŠãallyourdataarebelongtome.comãåŒã³åºãããšã¯ã§ããŸããã
ããã§ã®è§£æ±ºçã¯ãã¯ãã¹ãã¡ã€ã³ãªã¯ãšã¹ããæ©èœããŠããªããšããããšã§ã¯ãããŸãã-ç¬èªã®ãµãŒããŒãããã劚ããŠããããªãªãžã³ãã¡ã€ã³ãåãå ¥ããéã«ãã®ç¶æ³ã«å¯Ÿå¿ããå¿ èŠãããããAPIåŒã³åºããè¡ãããšããŠãããµãŒãããŒãã£ãµãŒããŒããã®ã¯ãã¹ãã¡ã€ã³ãªã¯ãšã¹ãã«å ããŠãä»ã®èªèšŒ/æ¿èªæ¹æ³ããããŸãã
@mddanishyusufãœãªã¥ãŒã·ã§ã³ã¯ç§ã®ããã«åããã
ãã®ããããŒæ§æã§ãã®åé¡ã解決ãããšæããŸãã
headers: { 'content-type': 'application/x-www-form-urlencoded' }
ããããšã
ããããšãïŒ ;ïŒ
ããããïŒ https ïŒ
ããã§ãèªåã®ãµã€ãã§ç¬èªã®APIãäœæããŠãããã解決ããããšããŸããã ãã®ãããªãªã¯ãšã¹ããéä¿¡ããŸãã
axios.get('/sample/request')
次ã«ã http ïŒ https://a.4cdn.org/ã«éä¿¡ããå¿çãjsonãšããŠaxiosã«è¿ã
ããã¯ç§ã®ããã«åããŠããŸãããããããªããå©ããããšãã§ããããšãé¡ã£ãŠããŸã
https://github.com/axios/axios/issues/853#issuecomment -408218917ã¯ã fetch
APIãš.NET4.5 WebAPIã§åäœããŸããã
ç§ãç解ããŠããããã«ãåé¡ã¯ããªã¯ãšã¹ããloclahostïŒ3000ããloclahostïŒ8080ã«éä¿¡ããããã©ãŠã¶ãCORSãªã©ã®ãªã¯ãšã¹ããæåŠããããšã§ãã ãããã£ãŠã解決çã¯ãããã·ãäœæããããšã§ããããã©ãŠã¶ã¯ããªã¯ãšã¹ãã1ã€ã®ãµãŒããŒããéä¿¡ããããšãã«ãªã¯ãšã¹ããåŠçããŸãã
ç§ãééã£ãŠããå Žåã¯ç§ãèšæ£ããŠãã ãã
ç§ã®è§£æ±ºçã¯ïŒ
'http-proxy-middleware'ãããããã·ãã€ã³ããŒãããŸã
app.useïŒ '/ api / **'ãproxyïŒ{targetïŒ "httpïŒ// localhostïŒ8080"}ïŒïŒ;
åãåé¡ãçºçããããã¯ãšã³ãïŒExpressïŒã«ãcorsããã€ã³ã¹ããŒã«ããŠè§£æ±ºããŸããã
èµ°ãïŒ
npm install cors
次ã«ããããèšå®ããŸãã
var cors = require('cors');
app.use(cors());
@fernandoruchã«æè¬ã
ç§ã¯åãåé¡ãæ±ããŠããã解決ããŸãã
app.use((req, res, next) => {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
next();
});
æåã¯åäœããŸãããããã®åŸåæ¢ããçç±ãããããŸããã§ããã
次ã«ããã¹ãŠã®ã³ãŒããå¥ã®ãã¡ã€ã«ã«ç§»åããã®ã§ãã«ãŒã¿ãŒã䜿çšããå¿ èŠãããããšã«æ°ä»ããŸããã
router.use((req, res, next) => {
res.header('Access-Control-Allow-Origin', '*');
res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept');
next();
});
ããã
ãã®åé¡ã«é¢ããæŽæ°ã¯ã.net core2.1ãšaxios0.18ã䜿çšããŠããŸãã
ããããšãã
åé¡ã¯axiosã«ãããšã¯æããŸãããåé¡ã¯ãããã¯ãšã³ããµãŒããŒã«ãããŸãã
ç§ã®å Žåãããã¯ãšã³ãã«FlaskããããVue.JSã§axiosã䜿çšããŠããã¢ãŒããã¯ãã£ããããŸãããFlaskãµãŒããŒã§å®è¡ããå¿ èŠãããã®ã¯æ¬¡ã®ãšããã§ãã
...
from flask_cors import CORS
...
CORS(app)
ãã ããããã¯æ¬çªç°å¢ã«ç§»è¡ããã¹ãã§ã¯ãããŸãããnginxã¬ãã«ã§ã¯ãã¹ãªãªãžã³èš±å¯ãªã¹ããäœæããããšãã§ããŸãã ç§ã¯ãããèªã¿éããŸããã圹ã«ç«ã€ãããããŸããã
äžæçãªè§£æ±ºçãšããŠãããã䜿çšã§ããŸãïŒ https ïŒ
ä»ã®ãšããããã以äžè¯ããã®ã¯èŠã€ãããŸããã§ããã
æªãã¢ã€ãã¢
Darksky WeatherAPIã«axios.get()
ãªã¯ãšã¹ããéä¿¡ããããšãããšãã«ããã®åé¡ãçºçããŸããã Darkskyã®FAQããŒãžãèªãã ãšãããããšãŸã£ããåãåé¡ã«é¢ãã質åãèŠã€ããŸããã圌ãã¯ãæ
å ±ãžã®æå³ããªãæªæã®ããã¢ã¯ã»ã¹ãé²ãããã®ã»ãã¥ãªãã£å¯ŸçãšããŠããã䜿çšããããŒã¿ããŒã¹ã«ã¢ã¯ã»ã¹ããããã®ãããã·ãäœæããããšãææ¡ããŸããã
package.json
ãã¡ã€ã«ã«æ¬¡ã®å€æŽãå ããŸããïŒcreate-react-appã䜿çšããŠããŸãïŒã
{
"proxy": "https://api.darksky.net/forecast/[myKey]
}
myKey
ã¯ãDarkskyããããŒã¿ã«ã¢ã¯ã»ã¹ããããã«æäŸãããŸããã
ããã¯éåžžã«ç°¡åãªä¿®æ£ã§ãç§ã«ãšã£ãŠã¯ããŸããããŸããïŒ å€ãã®APIãµãŒãã¹ããããã»ãã¥ãªãã£å¯ŸçãšããŠäœ¿ãå§ããŠããã®ã§ã¯ãªãããšæããŸãã ããŸãããã°ãç§ã®è§£æ±ºçãåæ§ã®åé¡ãæ±ããŠããä»ã®äººãå©ããããšãã§ããŸãã
èŠçŽãããšããããã·ãäœæããŸãã
@fernandoruchã«æè¬ããŸãã node.jsãµãŒããŒã®app.jsã«è¿œå ãããšæ©èœããŸã
var cors = require('cors');
app.use(cors());
import axios from 'axios'
import jsonpAdapter from 'axios-jsonp'
axios.get(`${url}`, { adapter: jsonpAdapter })
.then(result => {
console.log('Status Code: ' + result.status)
})
.catch(error => console.log('Request failed'))
JSONPïŒJSON with PaddingãŸãã¯JSON-PïŒã¯ãã¯ã©ã€ã¢ã³ããšã¯ç°ãªããã¡ã€ã³ã«ãããµãŒããŒããããŒã¿ãèŠæ±ããããã«äœ¿çšãããŸãã JSONPã¯ãåäžçæå ããªã·ãŒããã€ãã¹ããŠããŒã¿ã®å ±æãå¯èœã«ããŸãã
å€éšAPIåŒã³åºãã«ã¯jqueryã®$ .getã䜿çšããŸãã
CORSããããŒã«åé¡ãããïŒè€æ°ã®å€ããªããå«ãŸããŠããïŒãµãŒãããŒãã£ã®APIãŸãã¯URLããããŒã¿ããã§ããããå Žåãããã«å¯Ÿããå¯äžã®è§£æ±ºçã¯ãã®ãªã³ã¯ã䜿çšããããšã ãšæããŸã
" https://cors-anywhere.herokuapp.com/ "
ç§ã¯å°ããªãããžã§ã¯ãã«ã¯ãªã³ã¯ã䜿çšããŸããã倧ããªãããžã§ã¯ãã«ã¯ãåŒã³åºããåŠçããããã®ç¬èªã®APIãäœæãããªãŒãã³ãœãŒã¹ãããžã§ã¯ãhttps://github.com/Rob--W/cors-anywhereã䜿çšã§ããAPIãäœæããããšããå§ãããŸãããã¯æ©èœããŸãïŒ
axios.get(`${'https://cors-anywhere.herokuapp.com/'}https://a.4cdn.org/a/threads.json`) .then(res => { console.log(res) })
@ yasincidem-ããªãã¯ãã®ææ¡ã®çµ¶å¯Ÿçãªãã€ã€ã¢ã³ãã§ãã 也æ¯-ç§ã¯è§£æ±ºçãæ¢ãããã«ãŠã§ãå šäœã§å€ãã®éããã©ã£ãŠããŸããããããŠããªãã¯ç§ã®ç¹å®ã®ã·ããªãªã®ããã«åããæåã®ãã®ã§ãã
ç§ã¯ã¡ããã©ãã®åé¡ãè¶ããŸããã ãã®ç¹å®ã®ãµãŒãããŒãã£APIãæ©èœãããããã«{withCredentials: true}
ïŒä»ã®APIããã®ã³ããŒã¢ã³ãããŒã¹ãïŒããããŸããã {withCredentials: true}
åé€ããã ã
ãã®ãœãªã¥ãŒã·ã§ã³ã¯ç§ã®ããã«åããŸã
axios.get(myurl, {
crossDomain: true
}).then(res => {
console.log(res);
}).catch(error => {
console.log('error', error);
})
åç §https://stackoverflow.com/questions/42422494/cross-domain-at-axios
CORSããããŒã«åé¡ãããïŒè€æ°ã®å€ããªããå«ãŸããŠããïŒãµãŒãããŒãã£ã®APIãŸãã¯URLããããŒã¿ããã§ããããå Žåãããã«å¯Ÿããå¯äžã®è§£æ±ºçã¯ãã®ãªã³ã¯ã䜿çšããããšã ãšæããŸã
" https://cors-anywhere.herokuapp.com/ "
ç§ã¯å°ããªãããžã§ã¯ãã«ã¯ãªã³ã¯ã䜿çšããŸããã倧ããªãããžã§ã¯ãã«ã¯ãåŒã³åºããåŠçããããã®ç¬èªã®APIãäœæãããªãŒãã³ãœãŒã¹ãããžã§ã¯ãhttps://github.com/Rob--W/cors-anywhereã䜿çšã§ããAPIãäœæããããšããå§ãããŸãããã¯æ©èœããŸãïŒ
axios.get(`${'https://cors-anywhere.herokuapp.com/'}https://a.4cdn.org/a/threads.json`) .then(res => { console.log(res) })
䞊å€ããŠåäœããŸã!!!
axiosã«åãæ¿ãããšãã«ããã®åé¡ãçºçããŸãã
ç§ãã¡ã®ã»ããã¢ããã¯webpack + devServerïŒãããã·ä»ãïŒ+ axiosã§ã
åé¡ã¯ãã/ apiãã ãã§ãªããå®å šãªapiURLãaxiosã®baseURLãšããŠäœ¿çšããããšã§ããïŒãããã·ã¯ã¿ãŒã²ããå±æ§ãä»ããŠãããã³ã°ãè¡ããŸãïŒ
ç§ã®æèŠã§ã¯ãããã¯ç§ãã¡èªèº«ã®éã¡ã«ãããã®ãããããŸããã äžèšãšåãåé¡ãçºçããŠããŸãã 2æ¥éãç§ã¯ãã®åé¡ãæ¢ãã®ã«æéããããŸããã ããã¯ç§ãèŠã€ããå°ããªåé¡ã§ããããšãããããŸããã å ¥åããURLã¢ãã¬ã¹ã解æããã¥ã¡ã³ãã«æºæ ããŠããŸããã ãããŠä»ãaxiosã¯ç§ã®Angular7ã§å®å šã«æ©èœããŸã
ãã©ã¹ã³ãŸãã¯ä»ã®ãµãŒããŒã§CORSãæå¹ã«ãªã£ãŠãããã©ããã確èªããŸãã
ãŸãããµãŒããŒã¢ãã¬ã¹ãæ£ãããã©ããã確èªããŠãã ããããµãŒããŒã®ããŒããè¿œå ãå¿ããããã«ã¹ã¿ãã¯ããŸããã
axios.getïŒ 'httpïŒ// localhostïŒ5000 / jsonshow'ïŒ
.thenïŒresponse =>ïŒthis.array = responseïŒïŒ
ã localhostïŒ3000 ããã httpïŒ// localhost ïŒ300ãã«å€æŽãããšãåé¡ãªãåäœããŸãïŒãµãŒããŒåŽã§corsãæå¹ã«ããŠãã ããïŒ
ã localhostïŒ3000 ããã httpïŒ// localhost ïŒ300ãã«å€æŽãããšãåé¡ãªãåäœããŸãïŒãµãŒããŒåŽã§corsãæå¹ã«ããŠãã ããïŒ
3000ã§ã¯ãªãããŒã300ã§å®è¡ããŠããå Žåã
VueJS
ã«ããããžã§ã¯ãã®ã«ãŒãã«vue.config.js
ãšããååã®ãã¡ã€ã«ãååšããªãå Žåã¯äœæããŠã次ã®ãããªãã®ãè¿œå ã§ããŸãã
module.exports = {
devServer: {proxy: 'http://localhost:3000'}
}
次ã«ã Axios
åŒã³åºãã¯æ¬¡ã®ããã«ãªããŸãã
axios.get('/api/say_hello', {})
CORSããããŒã«åé¡ãããïŒè€æ°ã®å€ããªããå«ãŸããŠããïŒãµãŒãããŒãã£ã®APIãŸãã¯URLããããŒã¿ããã§ããããå Žåãããã«å¯Ÿããå¯äžã®è§£æ±ºçã¯ãã®ãªã³ã¯ã䜿çšããããšã ãšæããŸã
" https://cors-anywhere.herokuapp.com/ "
ç§ã¯å°ããªãããžã§ã¯ãã«ã¯ãªã³ã¯ã䜿çšããŸããã倧ããªãããžã§ã¯ãã«ã¯ãåŒã³åºããåŠçããããã®ç¬èªã®APIãäœæãããªãŒãã³ãœãŒã¹ãããžã§ã¯ãhttps://github.com/Rob--W/cors-anywhereã䜿çšã§ããAPIãäœæããããšããå§ãããŸãããã¯æ©èœããŸãïŒ
axios.getïŒ
${'https://cors-anywhere.herokuapp.com/'}https://a.4cdn.org/a/threads.json
ïŒ
.thenïŒres => {
console.logïŒresïŒ
}ïŒ
ããã¯ç§ã®ããã«åããïŒ ããããšãïŒ
ãããè©ŠããŠãã ããïŒ
import Vue from 'vue';
import App from './App.vue';
import router from './router';
import axios from 'axios';
Vue.config.productionTip = false;
// ======================
axios.defaults.withCredentials = false;
axios.defaults.proxy = {
host: 'http://localhost',
port: 5000,
};
// ======================
new Vue({
router,
render: (h) => h(App),
}).$mount('#app');
CORSããããŒã«åé¡ãããïŒè€æ°ã®å€ããªããå«ãŸããŠããïŒãµãŒãããŒãã£ã®APIãŸãã¯URLããããŒã¿ããã§ããããå Žåãããã«å¯Ÿããå¯äžã®è§£æ±ºçã¯ãã®ãªã³ã¯ã䜿çšããããšã ãšæããŸã
" https://cors-anywhere.herokuapp.com/ "
ç§ã¯å°ããªãããžã§ã¯ãã«ã¯ãªã³ã¯ã䜿çšããŸããã倧ããªãããžã§ã¯ãã«ã¯ãåŒã³åºããåŠçããããã®ç¬èªã®APIãäœæãããªãŒãã³ãœãŒã¹ãããžã§ã¯ãhttps://github.com/Rob--W/cors-anywhereã䜿çšã§ããAPIãäœæããããšããå§ãããŸãããã¯æ©èœããŸãïŒ
axios.get(`${'https://cors-anywhere.herokuapp.com/'}https://a.4cdn.org/a/threads.json`) .then(res => { console.log(res) })
æéãç¯çŽããŠãã©ããããããšãããããŸããïŒ
@ronninèšé²ã®ããã«ãç§ã¯ããªãã®è§£æ±ºçãè©ŠããŸãããã
äœïŒ æ¬åœã«ïŒ ç§ã«ãšã£ãŠããã¯ééããªãæ©èœããŸãã...
GETã¡ãœããã®å Žåããã£ãŒã ã®ããã«æ©èœããŸãã
@ronninã³ã¡ã³ãã«åºã¥ããŠããããªãã¯APIã䜿çšããŠäœæããäŸã次ã«ç€ºããŸãã
axios.get('https://world.openfoodfacts.org/api/v0/products', { crossdomain: true })
.then(function (response) {
console.log(response.data);
})
ä»ã¯2019幎ã§ãããæŽæ°ã¯ãããŸããïŒ ð
ã¢ããªã®éçºã«ãã®Chromeæ¡åŒµæ©èœã䜿çšããŠããŸã
https://chrome.google.com/webstore/detail/allow-control-allow-origi/nlfbmbojpeacfghkpbjhddihlkkiljbi
@ronninèšé²ã®ããã«ãç§ã¯ããªãã®è§£æ±ºçãè©ŠããŸãããã
åé¡ãæ±ããŠããç·æ§ã¯ãCORSã«ã€ããŠååã«èªèãããŠããªããããåè¿°ã®@ seungha-kimã®èšäºãèªãå¿ èŠããããŸãïŒ https ïŒ//developer.mozilla.org/en-US/docs/Web/HTTP/CORS
èŠçŽãšããŠïŒ
add_header 'Content-Type' 'text/plain charset=UTF-8';
add_header 'Content-Length' 0;
return 204;
}
// more ...
}
`` `
Access-Control-Allow-Headersã¯ããªã¯ãšã¹ãã®ããããŒã®ãªã¹ãã§ãã ããã«ãªã¹ããããŠããªãããã€ãã®ããããŒãååšãããšããããã¯ãããŸãã ããããŒããã§ãã¯ããŠAccess-Control-Allow-Headersã«ãªããã€ã³ããã ãã§ã
åé¡ã¯äž»ã«ã¯ã©ã€ã¢ã³ãïŒãã©ãŠã¶ãŒãã¯ã©ã€ã¢ã³ãã¢ããªïŒã§ã¯ãªãããµãŒããŒãèŠæ±ãããªãœãŒã¹ã«ãããŸãã
ãµãŒããŒåŽã®éçºè ãšè©±ããŠãã ãã
ã圹ã«ç«ãŠã°å¹žãã§ã
@ronnin ïŒããªãã®
@ronnin ïŒããªãã®
以äžã®ã¢ããªã䜿çšããŠããªã¯ãšã¹ããæ©èœãããŸã
ãµãŒããŒãCORSãæå¹ã«ããªãã£ãã«ãããããããããã¯ç§ã®ããã«åããŸãã
https://cors-anywhere.herokuapp.com/
䜿çšæ³ ïŒ
url = https://cors-anywhere.herokuapp.com${url}
;
`
@ronnin ïŒããªãã®
ç§ã®GETãªã¯ãšã¹ããCORSãæå¹ã«ããŠããªããµãŒããŒãããªãœãŒã¹ããªã¯ãšã¹ãããŠããå Žåãåºæ¬çã«ããã³ããšã³ãããXHRãªã¯ãšã¹ãïŒå¥åAJAXãªã¯ãšã¹ãïŒãä»ããŠçŽæ¥ã§ããããšã¯äœããããŸããã ã¯ãïŒ
ãããã³ã«ã«åŸãããªã¯ãšã¹ããæåŠããã®ã¯ãã©ãŠã¶ã§ãã
ãã ããlocation.hrefãiframeãform.actionãªã©ã®åŸæ¥ã®ãã©ãŠã¶ãªã¯ãšã¹ãã§ãªãœãŒã¹ãååŸã§ããŸã
ã»ãšãã©ã®å ŽåãCORSãæå¹ã«ããã«3çªç®ã®ãªãœãŒã¹ãèŠæ±ããåé¡ã解決ããããã«ãèªå·±å¶åŸ¡ãµãŒããŒåŽãåããèªå·±ææã®ãªããŒã¹ãããã·ãµãŒããŒïŒnginxãªã©ïŒãã»ããã¢ããããŸãã
@ndjerrouãèšåããHerokuã¢ããªããã®äŸã§ãã
èªåé転è»ãšAIããããŸãããããã§ãCORSã«èŠåŽããŠããŸã
herokuããããã·ãšããŠäœ¿çšããŠããã解決ããããšãã§ããŸããã
ãããç§ã®ã³ãŒãã§ãã
fetch("https://cors-anywhere.herokuapp.com/boards.4chan.org/biz/thread/13932651.json")
.then(res => { //returns a readable stream
res.body.getReader().read().then(r => { //returns a Uint8 buffer array
var result = new TextDecoder("utf-8").decode(r.value); //Decodes the buffer array into a string
console.log(JSON.parse(result)) //the result you want
})
})
ä»ã¯2020幎ã§ãããæŽæ°ã¯ãããŸããïŒ ð
確èªã§ããŸããã2020幎ã§ãããŸã æŽæ°ãããŠããŸããã
fetchïŒïŒã«ã¯mode: 'no-cors'
ã¢ãŒãããããŸããããªãaxiosã«äŒŒããããªãã®ããªãã®ã§ããïŒ
ç§ã¯è©Šãã
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Headers': 'Origin, X-Requested-With, Content-Type, Accept'
ãããŠããããã®ããããŒã¯ã©ããæ©èœããŸããã§ããã çãšåœã®äž¡æ¹ã®ç¶æ
ã§withCredentials
ãè©ŠããŸããããæ©èœããŸããã§ããã
ãã§ããã䜿çšãããšãæ£åžžã«æ©èœããŸãã
CORSããªã·ãŒã«å¯ŸåŠããããªãããããã§ãaxiosã䜿çšãããå Žåã¯ãã©ãããã°ããã§ããïŒ
ç·šéïŒããã«ããªããã®åé¡ã¯è§£æ±ºãããã®ã§ããïŒ æããã«ãããã«ã¯ãŸã åé¡ããããŸãã
'Access-Control-Allow-Origin'ãå®çŸ©ããå¿
èŠããããŸãïŒ 'YOUR_IP:YOUR_PORT'
ã¯ããªã¯ãšã¹ãããããŒã§ã¯ãªãã¬ã¹ãã³ã¹ããããŒã«ãããŸãã
確èªã§ããŸããã2020幎ã§ãããŸã æŽæ°ãããŠããŸããã
fetchïŒïŒã«ã¯mode: 'no-cors'
ã¢ãŒãããããŸããããªãaxiosã«äŒŒããããªãã®ããªãã®ã§ããïŒç§ã¯è©Šãã
'Access-Control-Allow-Origin': '*', 'Access-Control-Allow-Headers': 'Origin, X-Requested-With, Content-Type, Accept'
ãããŠããããã®ããããŒã¯ã©ããæ©èœããŸããã§ããã çãšåœã®äž¡æ¹ã®ç¶æ ã§
withCredentials
ãè©ŠããŸããããæ©èœããŸããã§ããããã§ããã䜿çšãããšãæ£åžžã«æ©èœããŸãã
CORSããªã·ãŒã«å¯ŸåŠããããªãããããã§ãaxiosã䜿çšãããå Žåã¯ãã©ãããã°ããã§ããïŒ
ç·šéïŒããã«ããªããã®åé¡ã¯è§£æ±ºãããã®ã§ããïŒ æããã«ãããã«ã¯ãŸã åé¡ããããŸãã
ã¢ã¯ã·ãªã¹ã«åé¡ã¯ãããŸããããã®ãããåé¡ã¯è§£æ±ºãããŸããã æ€ åã«åº§ã£ãŠMDNã®èšäºãèªãã§ãã ããïŒ https ïŒ
åèŸåèŸãåŸå³Â¹å
ã¿ããªããããšããããã¯å©ãã«ãªããŸããïŒ ãäžäŸ¿ããããããŠç³ãèš³ãããŸããïŒ
ããã€ã¹ã®ã¢ãã€ã«ãããã¹ãããã䜿çšããŠãããšãã«ãaxiosã§ãã®ãšã©ãŒãçºçããŸããã ããããç§ãå«è¶åºã§WiFiã䜿çšãããšããç§ã¯CORBãæã«å ¥ããŸããã§ãã
ãŠã£ãããã£ã¢APIã䜿çšããŠã¿ãŸããããåãåé¡ãçºçããŸããã
URLã«origin=*
ãè¿œå ãããšãä¿®æ£ãããŸããã
const endpoint = `https://en.wikipedia.org/w/api.php?action=query&origin=*&list=search&srsearch=${searchTerm}&format=json`;
ç§ã¯axiosã䜿çšããã«ããã解決ãã$ ajaxãš$ getã䜿çšããŠå€éšURLããGETãè©ŠããŸããããå€ãjqueryã®ãã®ã«ã¯åé¡ããããŸããã§ããã 確ãã«ãã°ã§ãã
ä»ã¯2021幎ã§ãããæŽæ°ã¯ãããŸããïŒ ð
axiosïŒ0.18.0ïŒãšchromeïŒ75.0.3770.100ïŒããzapier Webhookããããããããšãããšãã«ãåæ§ã®ãAccess-Control-Allow-Headersãé¢é£ã®åé¡ãçºçããŠããŸãã
ç§ã®ãªã¯ãšã¹ãã¯ïŒ
axios.post("https://hooks.zapier.com/hooks/catch/xxx/xxxx", { email });
ãµããŒããããŠããªãããããŒã«é¢ãããšã©ãŒã衚瀺ãããŸãã
CORSããªã·ãŒã«ãã£ãŠãããã¯ãããŠããŸãïŒãªã¯ãšã¹ãããããŒãã£ãŒã«ãã®content-typeã¯ãããªãã©ã€ãå¿çã®Access-Control-Allow-Headersã§ã¯èš±å¯ãããŠããŸãã
ãã®ããŒãžãèªãã åŸãç§ã®ç解ã¯æ¬¡ã®ãšããã§ãã
ãªãã·ã§ã³2ãéæããããã®ææ¡ã¯ãããŸããïŒ Access-Control-Request-Headersã«é¢ããZapierã®
ç·šéïŒããã¯axiosãšã¯ã»ãšãã©/ãŸã£ããé¢ä¿ããªããšç¢ºä¿¡ããŠããŸãããZapieråŽã®ãµããŒãã¯ããªãäžååã§ãã URLãã©ã¡ãŒã¿ã䜿çšããŠGETã«åãæ¿ããåŸããªã¯ãšã¹ãã¯æ©èœããããã§ãã
ãããã質åã§ãã³ã³ãã³ãã¿ã€ããã©ã¡ãŒã¿ãäžèŠã§ãããšèšåãããŠããå Žåã¯ã
olãè©Šãããšãã§ããŸã
Var xhr = new XMLHTTPRequestïŒïŒãå®è¡ããaxiosã䜿çšããã«ãã®æ¹æ³ã§è©ŠããŠãã ããã
ã¯ã©ã€ã¢ã³ããŸãã¯ãµãŒããŒã®Webhookãžã®æçš¿ã¯ãããŸããïŒ
ç«ã2019幎6æ25æ¥ã«ã¯ã15:27ããŒãã»ã·ã¥ãããã®[email protected]ã¯æžããŸããïŒ
åæ§ã®ãAccess-Control-Allow-Headersãé¢é£ã®åé¡ãçºçããŠããŸã
axiosïŒ0.18.0ïŒãšchromeããzapierwebhookããããããããšããŠããé
ïŒ75.0.3770.100ïŒãç§ã®ãªã¯ãšã¹ãã¯ïŒ
axios.postïŒ "https://hooks.zapier.com/hooks/catch/xxx/xxxx"ã{ã¡ãŒã«}ïŒ;
ãµããŒããããŠããªãããããŒã«é¢ãããšã©ãŒã衚瀺ãããŸãã
CORSããªã·ãŒã«ãã£ãŠãããã¯ãããŠããŸãïŒãªã¯ãšã¹ãããããŒãã£ãŒã«ãã®ã³ã³ãã³ãã¿ã€ãã¯èš±å¯ãããŠããŸãã
é£è¡åå¿çã®Access-Control-Allow-Headersã«ãããç»åïŒç»åã
https://user-images.githubusercontent.com/3190970/60138000-9ccdda80-975d-11e9-8f6d-e47bcffe91f1.pngãã®ããŒãžãèªãã åŸãç§ã®ç解ã¯æ¬¡ã®ãšããã§ãã
-
1. Zapierã¯ããµããŒãããããã«ãµãŒããŒå¿çãæ§æããå¿ èŠããããŸã
Access-Control-Request-å°ãªããšããcontent-typeãã®ããããŒ
-
1.ã©ããããããé€å€ããããã«ãªã¯ãšã¹ããèšå®ããå¿ èŠããããŸã
ãcontent-typeãããããŒ-ããªãã©ã€ãOPTäžã®ãã§ãã¯ããªãã·ã§ã³2ãéæããããã®ææ¡ã¯ãããŸããïŒ Zapierã®äžè¬çãªåé¡
Access-Control-Request-Headersã«ã€ããŠ
https://zapier.com/help/common-problems-webhooks/#posting-json-from-web-browser-access-control-allow-headers-in-preflight-response-error
ãªã¯ãšã¹ãã®ãã³ã³ãã³ãã¿ã€ããã«ã¹ã¿ãã€ãºããªããããšãææ¡ããŸãã ããããç§ã¯
ãªã¯ãšã¹ãã«ããããŒãªãã·ã§ã³ããªããããã©ã«ãã®ããããŒããããŸãã
axiosã«æ§æãããŠããã®ã§ãããã¯axiosåŽã§æé»çã§ãããšããæ³å®ã§ããŸãããïŒâ
ããªããã³ã¡ã³ãããã®ã§ããªãã¯ãããåãåã£ãŠããŸãã
ãã®ã¡ãŒã«ã«çŽæ¥è¿ä¿¡ããGitHubã§è¡šç€ºããŠãã ãã
https://github.com/axios/axios/issues/853?email_source=notifications&email_token=AHVHGUIDC6DW3YPEKZ2HHZTP4KLWHA5CNFSM4DIVKOX2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2
ãŸãã¯ã¹ã¬ããããã¥ãŒãããŸã
https://github.com/notifications/unsubscribe-auth/AHVHGUKX32PVCFPCZGRURD3P4KLWHANCNFSM4DIVKOXQ
ã
ããã«é¢ãããã¥ãŒã¹ã¯ãããŸããïŒ ç§ã¯ã»ãšãã©åãè¹ã«ä¹ã£ãŠããŸãã
@imranimuåé¡ã¯ã䜿çšããŠãããã©ãŠã¶ãšãªã¯ãšã¹ãå ã®ãµãŒããŒã®çµã¿åããã§ãã ãã©ãŠã¶ãCORSãã§ãã¯ãç¡èŠããAPIãå ¬éããªãéããaxiosã¯ããã«ã€ããŠäœãã§ããŸããã
ããã€ãã®ãªãã·ã§ã³ããããŸãã
èŠæ±ããŠãããµãŒããŒãå¶åŸ¡ããŠããå Žåã¯ã次ã®ããããŒã䜿çšããŠããã¹ãŠã®OPTIONS
èŠæ±ã«ãµãŒããŒãå¿çã§ããããã«ããŸãã
Access-Control-Allow-Origin: https://www.mywebsite.com <<REPLACE WITH YOUR SITE - USE COMMA IF MORE THAN ONE>>
Access-Control-Allow-Methods: GET,PUT,POST,DELETE,OPTIONS
Access-Control-Allow-Headers: Access-Control-Allow-Origin
Expressã䜿çšãããšãããã¯æ¬¡ã®ããã«ãªããããã«ãŠã§ã¢ãã§ãŒã³å ã®ä»ã®ã«ãŒãã®åã«é 眮ãããŸãã
app.options('/*', (req, res, next) => {
res.header('Access-Control-Allow-Origin', 'https://www.mywebsite.com');
res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS');
res.header('Access-Control-Allow-Headers', 'Access-Control-Allow-Origin');
res.send(HttpStatusCode.OK);
});
ãŸããå¿çã«ããããŒAccess-Control-Allow-Origin: https://www.mywebsite.com' <<replace with your website or list of sites>>
ãè¿œå ããå¿
èŠããããŸãã
app.get('/my-cors-friendly-route', async (req, res, next) => {
const data = await this.http.get('https://www.someothersite.com');
res.append('Access-Control-Allow-Origin', 'https://www.mywebsite.com');
res.json(data)
});
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Date: Fri, 28 Jun 2022 04:08:58 GMT
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X-Download-Options: noopen
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Surrogate-Control: no-store
Cache-Control: no-store, no-cache, must-revalidate, proxy-revalidate
Pragma: no-cache
Expires: 0
Access-Control-Allow-Origin: *
Access-Control-Allow-Methods: GET,HEAD,PUT,PATCH,POST,DELETE
Access-Control-Allow-Headers: api-key,content-type
Vary: Access-Control-Request-Headers
Keep-Alive: timeout=5, max=100
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res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE,OPTIONS');
res.header('Access-Control-Allow-Headers', 'Content-Type, Authorization, Content-Length, X-Requested-With');
res.send(200);
});
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const locationUrl = `https://api.fjdsghfjsdghfjgshdjfg`;
axios.defaults.headers.common['x-api-key'] = key;
const myresult = await axios.get(locationUrl, { crossdomain: true }).then((result) => {
return result.data;
});
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def get_users():
drivers_json = []
for user in user_dao.list_users():
drivers_json.append(user.to_json())
response = jsonify(drivers_json)
response.headers.add('Access-Control-Allow-Origin', '*')
return response
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)
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CORS_ORIGIN_ALLOW_ALL = False
CORS_ORIGIN_WHITELIST = (
'127.0.0.1:8000',
)
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ãããAxiosã®åé¡ã§ã¯ãªãããµãŒããŒã«ãã£ãŠããããŒãèšå®ãããŠããªãããã«ãã©ãŠã¶ãŒãCORSããããã¯ããŠããããšãç解ããŠããã ããã°å¹žãã§ãã ãããç解ããŠããŠãèªåã®ãµãŒããŒãããããŒãèšå®ããªããšããåé¡ããŸã çºçããå Žåã¯ããªããŒã¹ãããã·ã䜿çšãããšãã«å¿
ãå®éã®WebãµãŒããŒã«ããããŒNGINXã§èšå®ããæ¹æ³ã«ã€ããŠã¯ã
ãŸã èŠåŽããŠãã人ã®ããã«ïŒ
ãããAxiosã®åé¡ã§ã¯ãªãããµãŒããŒã«ãã£ãŠããããŒãèšå®ãããŠããªãããã«ãã©ãŠã¶ãŒãCORSããããã¯ããŠããããšãç解ããŠããã ããã°å¹žãã§ãã ãããç解ããŠããŠãèªåã®ãµãŒããŒãããããŒãèšå®ããªããšããåé¡ããŸã çºçããå Žåã¯ããªããŒã¹ãããã·ã䜿çšãããšãã«å¿ ãå®éã®WebãµãŒããŒã«ããããŒNGINXã§èšå®ããæ¹æ³ã«ã€ããŠã¯ã
ç§ã¯3æéèŠåŽããŸããããã¯ã©ã€ã¢ã³ãåŽã§ã¯äœãå€ãããŸããã§ãããæåŸã«ããµãŒããŒã«æ¬¡ã®ãã®ãè¿œå ããŸããã
egg-corsãã€ã³ã¹ããŒã«ããŸãïŒeggãããžã§ã¯ãã®ã¿ïŒ
// ./config/config.default.js
config.cors = {
origin: ["http://localhost:8080"],
allowedHeaders: [
"Content-Type",
"Authorization",
"Access-Control-Allow-Methods",
"Access-Control-Request-Headers"
],
credentials: true,
enablePreflight: true
};
ããã§å šéšã§ã
const board = this.props.routeParams.tag;
axios.get('https://cors-anywhere.herokuapp.com/' + 'https://a.4cdn.org/' + board + '/threads.json', config)
.then(function (response) {
console.log(response.data);
});
fetch
ã䜿çšããŠããµãŒããŒã®corsãæåã«æ©èœãããã©ããããã¹ãããŸãããš...
axios
ã¯ç§ã®koa-server
axios
ããªã¯ãšã¹ãã§ããŸãããiris
çŽæ¥ãªã¯ãšã¹ãããããšã¯ã§ããŸãããã©ã¡ããã人æ°ã®ããcors-middlewareãåããŠããŸãã1358
ããã¯ç§ã®ããã«åããã®ã§ãçç±ãåŠã¶å¿ èŠããããŸã
ç§ã¯TornadoãšVuejsã䜿çšããŠããŸããããããã¯ãšã³ãã§ã¯axiosã¯åé¡ã§ã¯ãããŸããã§ããã
# Tornado
class ClassName(tornado.web.RequestHandler):
def set_default_headers(self):
self.set_header("Content-Type", "application/json")
self.set_header("Access-Control-Allow-Origin", "*")
self.set_header("Access-Control-Allow-Headers", "content-type")
self.set_header(
'Access-Control-Allow-Methods',
'POST, GET, OPTIONS, PATCH, PUT'
)
@robertjchristian
ããã¯åãã
Verrrrrrrrrrryããããšã
ç§ã¯åãåé¡ãæ±ããŠããŸã
ç§ã®ã³ãŒã
axiosïŒ{
ã¡ãœããïŒ "get"ã
urlïŒ "httpïŒ// localhostïŒ4000 / users"ã
}ïŒ
.thenïŒresponse => {
console.logïŒresponseïŒ;
}ïŒ
.catchïŒãšã©ãŒ=> {
console.logïŒãšã©ãŒïŒ
}ïŒ;
}
ãã®ãšã©ãŒãçºçãã
èµ·ç¹ ' httpïŒ// localhost ïŒ3000'ããã® ' httpïŒ// localhost ïŒ4000 / users'ã§ã®XMLHttpRequestãžã®ã¢ã¯ã»ã¹ã¯CORSããªã·ãŒã«ãã£ãŠãããã¯ãããŠããŸãïŒããªãã©ã€ããªã¯ãšã¹ããžã®å¿çã¯ã¢ã¯ã»ã¹å¶åŸ¡ãã§ãã¯ã«åæ ŒããŸããïŒããã 'Access-Control -Allow-Origin 'ããããŒãèŠæ±ããããªãœãŒã¹ã«ååšããŸãã
誰ããç§ã«äœããã¹ããã«ã€ããŠæ®µéçãªè§£æ±ºçãæããŠããããŸããïŒ
@albertpintoãŸãã
@albertpintoã¯ããã®ã¡ã¬ã¹ã¬ããã§èãããããã¹ãŠã®è§£æ±ºçã調ã¹ãŸãã ããã¯ãã¯ã©ã€ã¢ã³ãåŽ/ããã³ããšã³ãã®åé¡ã§ã¯ãªããå®éã«ã¯ãµãŒããŒïŒlocalhostïŒ4000ïŒã§ãã ãµãŒããŒã¯ããªãªãžã³ãèš±å¯ããããã«CORSããããŒã§å¿çããå¿ èŠããããŸãã
ããšãã°ããµãŒããŒã¯æ¬¡ã®ãããªããããŒã§å¿çããå¿ èŠããããŸãã
Access-Control-Allow-Origin: *
Access-Control-Allow-Headers: Content-Type
ç§ã¯ããã次ã®ããã«è§£æ±ºããŸããïŒ
ããã¯ããªãã®ãšã³ããã€ã³ãã«ãåœãŠã¯ãŸããŸãïŒ
var cors = requireïŒ 'cors'ïŒ
var express = requireïŒ 'express'ïŒ
var cors = requireïŒ 'cors'ïŒ
var app = expressïŒïŒ
app.useïŒcorsïŒïŒïŒ
ãã¹ãŠã®ææ¡ãããããšãïŒ
// CORSã®å Žåãexpress jsã䜿çšãããšãnpmãä»ããŠcorsããã±ãŒãžã䜿çšã§ããŸãã
app.use(
cors({
credentials: true,
origin: [
'http://localhost:8080',
'http://your-production-website.com'
]
}),
)
cURLã¯CORSã«ãŒã«ãé©çšããŸããã ãããã®ã«ãŒã«ã¯ãã»ãã¥ãªãã£ã®ç®çã§ãã©ãŠã¶ã«ãã£ãŠé©çšãããŸãã
é¢é£ããããããŒãè¿œå ãããšèšããšãã¯ããããã®ããããŒããªã¯ãšã¹ãã«è¿œå ããããšãæå³ããŠãããšæããŸãã å®éã«ã¯ãããããŒã¯ãµãŒããŒããã®å¿çããããŒã§äºæãããŠããããªãœãŒã¹ãä»ã®Webãµã€ãããçŽæ¥ã¢ã¯ã»ã¹ã§ããããšã瀺ããŠããŸãã
åèãŸã§ã«ãCORS-ã¯ãã¹ãªãªãžã³ãªãœãŒã¹ã·ã§ã¢ãªã³ã°ã APIã¯ããããµããŒãããŠããªãããã2ã€ã®ãªãã·ã§ã³ããããŸã-
- WebããŒãžãšåããã¡ã€ã³ã®ãããã·ãµãŒããŒã䜿çšããŠ4chanã®APIã«ã¢ã¯ã»ã¹ãããã
- ä»ã®ãã¡ã€ã³ã§ãããã·ãµãŒããŒã䜿çšããŸãããå¿ èŠãªããããŒãå«ãŸããããã«å¿çãå€æŽããŸãã
ãã®åé¡ããåé¡ã§ã¯ãªãããšããŠã¯ããŒãºããããšã«æ祚ããããšæããŸãã
@sunnykgupta
åãããžãã¯ãåãããã£ã§ããããªã¢ãŒãããã¯ãšã³ããšã³ããã€ã³ããžã®è§åºŠã®ããhttpãã¹ããªã¯ãšã¹ããCORSãããã¯ãšã©ãŒãåä¿¡ããŸãã
GoãµãŒããŒãå®è¡ããŠããå Žåã¯ã Gorillaã®äœ¿çšããå§ãããŸã
headersOk := handlers.AllowedHeaders([]string{"X-Requested-With", "Content-Type"})
originsOk := handlers.AllowedOrigins([]string{"*"})
methodsOk := handlers.AllowedMethods([]string{"GET", "HEAD", "POST", "PUT", "OPTIONS"})
err := http.ListenAndServe("localhost:8081", handlers.CORS(originsOk, headersOk, methodsOk)(r))
ç§ã¯ããã次ã®ããã«è§£æ±ºããŸããïŒ
1.ãããžã§ã¯ãã®ã«ãŒãã®package.jsonã®ãã暪ã«vue.config.js
ãã¡ã€ã«ãäœæããŸããããã«ã¯æ¬¡ã®ãã®ãå«ãŸããŸãã
module.exports = {
devServer:{
proxy: {
'/apiv1': {
target: 'https://fuping.site/',
changeOrigin: true,
pathRewrite: {
'^/apiv1': ''
}
},
},
}
}
2.次ã®ãããªhttpãªã¯ãšã¹ããäœæããŸãã
this.$axios({
method:'get',
url:'apiv1/about/',
}).then(function(response){
console.log(response.data)
}).catch(error=>{
console.log(error)
})
axios.getïŒ 'https://a.4cdn.org/a/threads.json'ã{
ããããŒïŒ{
'Access-Control-Allow-Origin'ïŒ '*'ã
'Access-Control-Allow-Headers'ïŒ 'Content-TypeãAuthorization'ã
}ã
ãããã·ãŒïŒ {
ãã¹ãïŒ '104.236.174.88'ã
ããŒãïŒ3128
}
}ïŒãthenïŒfunctionïŒresponseïŒ{
console.logïŒ 'å¿çã¯ïŒ' + response.dataïŒ;
}ïŒãcatchïŒfunctionïŒerrorïŒ{
ifïŒerror.responseïŒ{
console.logïŒerror.response.headersïŒ;
}
else ifïŒerror.requestïŒ{
console.logïŒerror.requestïŒ;
}
ããããªããš {
console.logïŒerror.messageïŒ;
}
console.logïŒerror.configïŒ;
}ïŒ;
ããã«ã¡ã¯ãã¿ããªã
ããã解決ããã®ã«äœæéãããã£ãã®ã§ãç§ã¯ãããæçš¿ããŠããŸãã
ãŸã第äžã«ãCORSã¯ééããªããµãŒããŒåŽã®åé¡ã§ãããã¯ã©ã€ã¢ã³ãåŽã®åé¡ã§ã¯ãããŸããããä»ã®ã¢ããªãç°ãªããã¡ã€ã³ã§åããµãŒããŒã䜿çšããŠåäœããŠãããããç§ã®å Žåã¯ãµãŒããŒã³ãŒããæ£ããããšã確信ããŠããŸããã ãã®åé¡ã¯ãã«ã¹ã¿ã ã€ã³ã¹ã¿ã³ã¹ã§axios
ã䜿ãå§ãããšãã«å§ãŸããŸããã
ç§ã®å Žåã axios
ã€ã³ã¹ã¿ã³ã¹ã§baseURL
ã䜿çšããŠãããã©ãããã§ãGET
ãŸãã¯POST
åŒã³åºããè¡ãããšãããšãéåžžã«ç¹æ®ãªåé¡ã«ãªããŸããã axios
ã¯ã baseURL
ãšãªã¯ãšã¹ãURLã®éã«ã¹ã©ãã·ã¥/
axios
è¿œå ããŸãã ãããçã«ããªã£ãŠããŸãããããã¯é ããåé¡ã§ããã ç§ã®LaravelãµãŒããŒã¯ããã®åé¡ã®åå ãšãªã£ãŠããæ«å°Ÿã®ã¹ã©ãã·ã¥ãåé€ããããã«ãªãã€ã¬ã¯ãããŠããŸããã
äžè¬ã«ãé£è¡åã®OPTIONS
ãªã¯ãšã¹ãã¯ãªãã€ã¬ã¯ãã奜ã¿ãŸããã ã ãããééããªãããããã§ãã¯ãããããé¿ããŠãã ããã
ãã°ã§ã¯ãããŸããããããã誰ãã«åœ¹ç«ã€ããšãé¡ã£ãŠããŸãã
æãåèã«ãªãã³ã¡ã³ã
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