Response code 418 from request about flightradar24-client HOT 13 CLOSED

HTTP 418 is an April Fool's Day joke, so either FlightRadar24 is trolling you or you have a malfunctioning setup.

Can you give me more details in order to reproduce the problem? Maybe all parameters or even a curl command (you can get that from the Chrome network inspector)?

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Hey, thanks for the quick response.

So my code is exactly the same as the example code in README, and when I try the same request url in a browser it works as expected. Request url is: https://data-live.flightradar24.com/zones/fcgi/feed.js?bounds=53%2C52%2C13%2C14&callback=jsonp&faa=1&flarm=1&mlat=1&adsb=1&air=1&gnd=0&vehicles=0&gliders=0

There's a couple of issues that Chrome is complaining about:

• Refused to set unsafe header "user-agent"
• No 'Access-Control-Allow-Origin' header is present. This is likely not related, I am able to fix it a CORS plugin in chrome.

cURL for the request:

curl 'https://data-live.flightradar24.com/zones/fcgi/feed.js?bounds=53%2C52%2C13%2C14&callback=jsonp&faa=1&flarm=1&mlat=1&adsb=1&air=1&gnd=0&vehicles=0&gliders=0' -H 'origin: http://localhost:3000' -H 'accept-encoding: gzip, deflate, br' -H 'accept-language: en-GB,en;q=0.8,en-US;q=0.6,fi;q=0.4' -H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36' -H 'accept: /' -H 'referer: http://localhost:3000/' -H 'authority: data-live.flightradar24.com' --compressed

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when I try the same request url in a browser it works as expected. Request url is: [...]

cURL for the request: [...]

The curl command reproduces the 418 error. It is certainly a weird choice done by FlightRadar24 to return an "I'm a teapot" error on any of their public routes.

No 'Access-Control-Allow-Origin' header is present. This is likely not related, I am able to fix it a CORS plugin in chrome.

I will fix this. My code already fetches in CORS mode, so this must be your setup.

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I successfully nailed it down to the Referer: http://localhost:3000/ header. Referer: http://foo.bar.horse:3000/ works fine.

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Maybe we can ping someone from @Flightradar24 ?

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Hmm, so is there a way I can hack the referer to an ok value to make it work? For my use case it would just probably be running on localhost and be displayed on a screen

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FlightRadar24 may try to block unauthorised access to their API using this trick. I can set up a CORS proxy that strips the Referer at any time though to circumvent it.

I will try to set the referrer option of fetch to no-referrer. But I'm not sure it's supported in every browser.

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Can you confirm it's fixed as of the current master (3eae7ab)?

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hmm, still facing the same issue with 3eae7ab (0.2.1). Tested on chrome and firefox.

cURL:

curl 'https://data-live.flightradar24.com/zones/fcgi/feed.js?bounds=53%2C52%2C13%2C14&callback=jsonp&faa=1&flarm=1&mlat=1&adsb=1&air=1&gnd=0&vehicles=0&gliders=0' -H 'origin: http://localhost:3000' -H 'accept-encoding: gzip, deflate, br' -H 'accept-language: en-GB,en;q=0.8,en-US;q=0.6,fi;q=0.4' -H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36' -H 'accept: /' -H 'referer: http://localhost:3000/' -H 'authority: data-live.flightradar24.com' --compressed

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Can you show me the headers being sent? You can see them in the network inspector, when selecting the request.

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This is what you're looking for, right?

:authority:data-live.flightradar24.com
:method:GET
:path:/zones/fcgi/feed.js?bounds=53%2C52%2C13%2C14&callback=jsonp&faa=1&flarm=1&mlat=1&adsb=1&air=1&gnd=0&vehicles=0&gliders=0
:scheme:https
accept:/
accept-encoding:gzip, deflate, br
accept-language:en-GB,en;q=0.8,en-US;q=0.6,fi;q=0.4
origin:http://localhost:3000
referer:http://localhost:3000/
user-agent:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.100 Safari/537.36

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Apparently your browser still sent the Referer header. Try again with the latest master (faf206b).

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I assume this has been fixed. Please reopen if the issue still persists.

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