I am building a web application using Firebase and the new feature Cloud Functions for Firebase. I have created a function that takes a URL and downloads the image into a 64-bit encoded string as below using the node modules request and request-promise-native:
module.exports = {
downloadImageFromUrl: function (url) {
var options = {
method: 'GET',
uri: url,
resolveWithFullResponse: true,
simple: false,
family: 4
};
return rp.get(options)
.then(function (res) {
return "data:" + res.headers["content-type"] + ";base64," + new Buffer(res.body).toString('base64');
})
.catch(function (error) {
console.log("ERROR GETTING image", error);
return error;
});
}
};
The top function works perfectly running locally but once on firebase it gives the error:
RequestError: Error: getaddrinfo EAI_AGAIN lh6.googleusercontent.com:443
at new RequestError (/user_code/node_modules/request-promise/node_modules/request-promise-core/lib/errors.js:14:15)
at Request.plumbing.callback (/user_code/node_modules/request-promise/node_modules/request-promise-core/lib/plumbing.js:87:29)
at Request.RP$callback [as _callback] (/user_code/node_modules/request-promise/node_modules/request-promise-core/lib/plumbing.js:46:31)
at self.callback (/user_code/node_modules/request/request.js:188:22)
at emitOne (events.js:96:13)
at Request.emit (events.js:188:7)
at Request.onRequestError (/user_code/node_modules/request/request.js:884:8)
at emitOne (events.js:96:13)
at ClientRequest.emit (events.js:188:7)
at TLSSocket.socketErrorListener (_http_client.js:310:9)
at emitOne (events.js:96:13)
at TLSSocket.emit (events.js:188:7)
at connectErrorNT (net.js:1020:8)
at _combinedTickCallback (internal/process/next_tick.js:74:11)
at process._tickDomainCallback (internal/process/next_tick.js:122:9)
I am calling the function in the firebase auth trigger when a user is created as below:
exports.createUser = functions.auth.user().onCreate(event => {
if (event.data.photoURL) {
utils.downloadImageFromUrl(event.data.photoURL)
.then(function(res){
console.log("User Photo", res);
})
.catch(function(error){
console.log("Error", error);
})
}
});
Any help would be greatly appreciated.
via Brennan
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