LBRYCommunity/spee.ch
1
0
Fork 0
Code Issues 95 Pull requests 2 Projects Releases 4 Packages Wiki Activity

Merge pull request #2 from billbitt/sockets

Browse source 
Publish via Socket.io
This commit is contained in:
Bill Bittner 2017-05-31 21:15:13 -07:00 committed by GitHub
commit bd8a3019f0
10 changed files with 313 additions and 209 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
README.md
View file

@ -5,26 +5,23 @@ spee.ch is a single-serving site that reads and publishes images to and from the
* start lbry * start lbry
* install the [`lbry`](https://github.com/lbryio/lbry) daemon * install the [`lbry`](https://github.com/lbryio/lbry) daemon
* start the `lbry` daemon * start the `lbry` daemon
* start RabbitMQ (this will handle the queue for background processing)
* install & run [RabbitMQ](https://www.rabbitmq.com/#getstarted)
* clone this repo * clone this repo
* create a folder called `Uploads` in the same root directory where you cloned the repo
* run `npm install` * run `npm install`
* from your terminal, run `npm start` * from your terminal, run `npm start`
* to run hot, run `nodemon server.js` * to run hot, run `nodemon server.js`
* start a worker by running `node worker.js` in a separate session in your terminal
* visit [localhost:3000](http://localhost:3000) * visit [localhost:3000](http://localhost:3000)
## site navigation ## site navigation
* spee.ch
* spee.ch.
* To publish a file, navigate to the homepage. * To publish a file, navigate to the homepage.
* spee.ch/<the name of the claim> * spee.ch/< the name of the claim >
* To view the file with the largest bid at a claim. * To view the file with the largest bid at a claim.
* E.g. spee.ch/doitlive. * E.g. spee.ch/doitlive.
* spee.ch/< the name of the claim >/< the claim_id > * spee.ch/< the name of the claim >/< the claim_id >
* To view a specific file at a claim * To view a specific file at a claim
* E.g. spee.ch/doitlive/c496c8c55ed79816fec39e36a78645aa4458edb5 * E.g. spee.ch/doitlive/c496c8c55ed79816fec39e36a78645aa4458edb5
* spee.ch/<the name of the claim>/all * spee.ch/< the name of the claim >/all
* To view a batch of files at a claim * To view a batch of files at a claim
* E.g. spee.ch/doitlive/all * E.g. spee.ch/doitlive/all
@ -39,6 +36,6 @@ spee.ch is a single-serving site that reads and publishes images to and from the
Note: these are being used for testing durring spee.ch development and may not be maintained Note: these are being used for testing durring spee.ch development and may not be maintained
* A GET request to spee.ch/claim_list/<the name of the claim> * A GET request to spee.ch/claim_list/< the name of the claim >
* Will return the claim_list for the claim in json format. * Will return the claim_list for the claim in json format.
* E.g. spee.ch/claim_list/doitlive * E.g. spee.ch/claim_list/doitlive

171
helpers/lbryApi.js
View file

@ -38,10 +38,10 @@ function orderTopClaims(claimsListArray){
} }
function getClaimWithUri(uri, resolve, reject){ function getClaimWithUri(uri, resolve, reject){
console.log(">> making get request to lbry daemon") console.log(">> making get request to lbry daemon");
axios.post('http://localhost:5279/lbryapi', { axios.post('http://localhost:5279/lbryapi', {
method: "get", "method": "get",
params: { uri: uri } "params": { "uri": uri }
} }
).then(function (getUriResponse) { ).then(function (getUriResponse) {
console.log(">> 'get claim' success..."); console.log(">> 'get claim' success...");
@ -64,25 +64,37 @@ function getClaimWithUri(uri, resolve, reject){
}); });
} }
function findAllClaims(name, resolve, reject){
// to do: abstract claim_list function to here
}
module.exports = { module.exports = {
publishClaim: function(publishObject){ publishClaim: function(publishParams){
axios.post('http://localhost:5279/lbryapi', publishObject) console.log(publishParams);
.then(function (response) { var deferred = new Promise(function(resolve, reject){
// receive resonse from LBRY axios.post('http://localhost:5279/lbryapi', {
// if successfull, (1) delete file (2) send response to the client "method": "publish",
console.log(">> 'publish' success..."); "params": publishParams
console.log(">> 'publish' response.data:", response.data); })
console.log(" [x] Done"); .then(function (response) {
// return the claim we got // receive resonse from LBRY
//res.status(200).send(JSON.stringify({msg: "you succsessfully published!", txData: response.data})); console.log(">> 'publish' success");
}).catch(function(error){ // return the claim we got
// receive response from LBRY resolve(response.data);
// if not successfull, (1) delete file and (2) send response to the client return;
console.log(">> 'publish' error.response.data:", error.response.data); }).catch(function(error){
console.log(" [x] Done"); // receive response from LBRY
//res.status(500).send(JSON.stringify({msg: "your file was not published", err: error.response.data.error.message})); console.log(">> 'publish' error");
if (error.response.data.error){
reject(error.response.data.error);
} else {
reject(error);
}
return;
})
}) })
return deferred;
}, },
getClaimBasedOnNameOnly: function(claimName){ getClaimBasedOnNameOnly: function(claimName){
@ -90,49 +102,47 @@ module.exports = {
var deferred = new Promise(function (resolve, reject){ var deferred = new Promise(function (resolve, reject){
// 2. code to resolve or reject the promise // 2. code to resolve or reject the promise
// make a call to the daemon to get the claims list // make a call to the daemon to get the claims list
axios.post('http://localhost:5279/lbryapi', { // receives a promise axios.post('http://localhost:5279/lbryapi', {
method: "claim_list", "method": "claim_list",
params: { name: claimName } "params": { "name": claimName }
}) })
.then(function (response) { .then(function (response) {
console.log(">> Claim_list success"); console.log(">> 'claim_list' success");
var claimsList = response.data.result.claims; var claimsList = response.data.result.claims;
console.log(">> Number of claims:", claimsList.length) console.log(">> Number of claims:", claimsList.length)
// return early if no claims were found // return early if no claims were found
if (claimsList.length === 0){ if (claimsList.length === 0){
reject("no claims were found"); reject("NO_CLAIMS");
console.log("exiting due to lack of claims"); console.log("exiting due to lack of claims");
return; return;
} }
// filter the claims to return only free, public claims // filter the claims to return only free, public claims
var freePublicClaims = filterForFreePublicClaims(claimsList); var freePublicClaims = filterForFreePublicClaims(claimsList);
// return early if no free, public claims were found // return early if no free, public claims were found
if (!freePublicClaims || (freePublicClaims.length === 0)){ if (!freePublicClaims || (freePublicClaims.length === 0)){
reject("no free, public claims were found"); reject("NO_FREE_PUBLIC_CLAIMS");
console.log("exiting due to lack of free or public claims"); console.log("exiting due to lack of free or public claims");
return; return;
} }
// order the claims // order the claims
var orderedPublcClaims = orderTopClaims(freePublicClaims); var orderedPublicClaims = orderTopClaims(freePublicClaims);
// create the uri for the first (selected) claim // create the uri for the first (selected) claim
console.log(">> ordered free public claims", orderedPublcClaims); console.log(">> ordered free public claims");
var freePublicClaimUri = "lbry://" + orderedPublcClaims[0].name + "#" + orderedPublcClaims[0].claim_id; var freePublicClaimUri = orderedPublicClaims[0].name + "#" + orderedPublicClaims[0].claim_id;
console.log(">> your free public claim uri:", freePublicClaimUri); console.log(">> your free public claim URI:", freePublicClaimUri);
// fetch the image to display // fetch the image to display
getClaimWithUri(freePublicClaimUri, resolve, reject); getClaimWithUri(freePublicClaimUri, resolve, reject);
}) })
.catch(function(error){ .catch(function(error){
console.log(">> error:", error); console.log(">> 'claim_list' error:", error);
// reject the promise with an approriate message // reject the promise with an approriate message
reject(error.response.data.error); if (error.code === "ECONNREFUSED"){
reject("Connection refused. The daemon may not be running.")
} else if (error.response.data.error) {
reject(error.response.data.error);
} else {
reject(error);
};
return; return;
}); });
}); });
@ -146,7 +156,7 @@ module.exports = {
to do: need to pass the URI through a test (use 'resolve') to see if it is free and public. Right now it is jumping straight to 'get'ing and serving the asset. to do: need to pass the URI through a test (use 'resolve') to see if it is free and public. Right now it is jumping straight to 'get'ing and serving the asset.
*/ */
var deferred = new Promise(function (resolve, reject){ var deferred = new Promise(function (resolve, reject){
console.log(">> your uri:", uri); console.log(">> get claim based on URI:", uri);
// fetch the image to display // fetch the image to display
getClaimWithUri(uri, resolve, reject); getClaimWithUri(uri, resolve, reject);
}); });
@ -154,39 +164,52 @@ module.exports = {
}, },
serveAllClaims: function(claimName, res){ // note: work in progress getAllClaims: function(claimName, res){ // note: work in progress
// make a call to the daemon to get the claims list var deferred = new Promise(function(resolve, reject){
axios.post('http://localhost:5279/lbryapi', { console.log(">> get all claims data for", claimName)
method: "claim_list", // make a call to the daemon to get the claims list
params: { name: claimName } axios.post('http://localhost:5279/lbryapi', {
} method: "claim_list",
).then(function (response) { params: { name: claimName }
console.log(">> Claim_list success"); }
console.log(">> Number of claims:", response.data.result.claims.length) ).then(function (response) {
// return early if no claims were found console.log(">> 'claim_list' success");
if (response.data.result.claims.length === 0){ console.log(">> Number of claims:", response.data.result.claims.length)
res.status(200).sendFile(path.join(__dirname, '../public', 'noClaims.html')); console.log(">> 'claim_list' success");
return; var claimsList = response.data.result.claims;
} console.log(">> Number of claims:", claimsList.length)
// filter the claims to return free, public claims // return early if no claims were found
var freePublicClaims = filterForFreePublicClaims(response.data.result.claims); if (claimsList.length === 0){
// return early if no free, public claims were found reject("NO_CLAIMS");
if (!freePublicClaims || (freePublicClaims.length === 0)){ console.log("exiting due to lack of claims");
res.status(200).sendFile(path.join(__dirname, '../public', 'noClaims.html')); return;
return; }
} // filter the claims to return only free, public claims
console.log(">> Number of free public claims:", freePublicClaims.length); var freePublicClaims = filterForFreePublicClaims(claimsList);
// order the claims // return early if no free, public claims were found
var orderedPublicClaims = orderTopClaims(freePublicClaims); if (!freePublicClaims || (freePublicClaims.length === 0)){
// serve the response reject("NO_FREE_PUBLIC_CLAIMS");
/* console.log("exiting due to lack of free or public claims");
to do: rather than returning json, serve a page of all these claims return;
*/ }
res.status(200).send(orderedPublicClaims); // order the claims
}).catch(function(error){ var orderedPublicClaims = orderTopClaims(freePublicClaims);
console.log(">> /c/ error:", error.response.data); // serve the response
// serve the response /*
res.status(500).send(JSON.stringify({msg: "An error occurred while finding the claim list.", err: error.response.data.error.message})); to do: rather than returning json, serve a page of all these claims
}) */
resolve(orderedPublicClaims);
}).catch(function(error){
console.log(">> 'claim_list' error:", error);
if (error.code === "ECONNREFUSED"){
reject("Connection refused. The daemon may not be running.")
} else if (error.response.data.error) {
reject(error.response.data.error);
} else {
reject(error);
};
})
});
return deferred;
} }
} }

3
package.json
View file

@ -29,6 +29,7 @@
"connect-multiparty": "^2.0.0", "connect-multiparty": "^2.0.0",
"express": "^4.15.2", "express": "^4.15.2",
"nodemon": "^1.11.0", "nodemon": "^1.11.0",
"socket.io": "^2.0.1" "socket.io": "^2.0.1",
"socketio-file-upload": "^0.6.0"
} }
} }

0
public/claim.html → public/claimPlus.html
View file

118
public/index.html
View file

@ -12,39 +12,34 @@
<h3>Examples:</h3> <h3>Examples:</h3>
<ul> <ul>
<li><a href="/coconuts">spee.ch/coconuts</a></li> <li><a href="/coconuts">spee.ch/coconuts</a></li>
<li><a href="/test">spee.ch/test</a></li> <li><a href="/wood">spee.ch/wood</a></li>
<li><a href="/doitlive">spee.ch/doitlive</a></li> <li><a href="/doitlive">spee.ch/doitlive</a></li>
<li><a href="/doitlive/all">spee.ch/doitlive/all</a></li> <li><a href="/doitlive/all">spee.ch/doitlive/all</a></li>
<li><a href="/doitlive/ca3023187e901df9e9aabd95d6ae09b6cc69b3f0">spee.ch/doitlive/ca3023187e901df9e9aabd95d6ae09b6cc69b3f0</a></li> <li><a href="/doitlive/ca3023187e901df9e9aabd95d6ae09b6cc69b3f0">spee.ch/doitlive/ca3023187e901df9e9aabd95d6ae09b6cc69b3f0</a></li>
</ul> </ul>
<h3>Publish Your Own</h3> <h3>Publish Your Own</h3>
<form id="publish-form" action="/publish" method="post" enctype="multipart/form-data"> <div id="publish">
<input type="file" name="file" accept="video/*,image/*" onchange="previewFile()" enctype="multipart/form-data"/> <form id="publish-form" action="" method="" enctype="multipart/form-data">
<br/> <input type="file" id="siofu_input" name="file" accept="video/*,image/*" onchange="previewFile()" enctype="multipart/form-data"/>
<img src="" height="200" alt="Image preview..."/> <br/>
<br/> <img id="image-preview" src="" height="200" alt="Image preview..."/>
Name: <input type="text" name="name" value="name"/> <br/>
<br/> Name: <input type="text" id="publish-name" name="name" value="name"/>
Title: <input type="text" name="title" value="title"/> <br/>
<br/> License: <select type="text" id="publish-license" name="license" value="license">
Description: <input type="text" name="description" value="I love spee.ch!"/> <option value="Public Domain">Public Domain</option>
<br/> <option value="Creative Commons">Creative Commons</option>
Author: <input type="text" name="author" value="author"/> </select>
<br/> <br/>
Language: <input type="text" name="language" value="en"/> NSFW: <select type="text" id="publish-nsfw" name="nsfw" value="false">
<br/> <option value="false">False</option>
License: <select type="text" name="license" value="license"> <option value="true">True</option>
<option value="Creative Commons">Creative Commons</option> </select>
<option value="Public Domain">Public Domain</option> <br/>
</select> <button id="publish-submit">Submit</button>
<br/> </form>
NSFW: <select type="text" name="nsfw" value="false"> <p id="upload-status"></p>
<option value="false">False</option> </div>
<option value="true">True</option>
</select>
<br/>
<button type="submit">Submit</button>
</form>
<h3>Help</h3> <h3>Help</h3>
<h4>Site Navigation</h4> <h4>Site Navigation</h4>
@ -84,28 +79,69 @@
</li> </li>
</ul> </ul>
<script src="/socket.io/socket.io.js"></script>
<script src="/siofu/client.js"></script>
<script> <script>
// define global variables
var socket = io();
var uploader = new SocketIOFileUpload(socket);
// function to handle image preview
function previewFile(){ function previewFile(){
var preview = document.querySelector('img'); //selects the query named img var preview = document.querySelector('img'); //selects the query named img
var file = document.querySelector('input[type=file]').files[0]; //sames as here var claimName = document.querySelector('input[name=name]');
var reader = new FileReader(); var selectedFile = document.querySelector('input[name=file]').files[0];
var previewReader = new FileReader();
reader.onloadend = function () { previewReader.onloadend = function () {
preview.src = reader.result; preview.src = previewReader.result;
} }
if (file) { if (selectedFile) {
reader.readAsDataURL(file); //reads the data as a URL previewReader.readAsDataURL(selectedFile); // reads the data and sets the img src
claimName.value = selectedFile.name.substring(0, selectedFile.name.indexOf("."));
} else { } else {
preview.src = ""; preview.src = "";
} };
} }
previewFile(); //calls the function named previewFile() // helper function to update status
function updatePublishStatus(msg){
document.getElementById("publish").innerHTML = msg;
}
// call the previewFile function
previewFile();
// prevent default on the submit button
document.getElementById("publish-submit").addEventListener("click", function(event){
event.preventDefault();
})
// upload through the socket
uploader.listenOnSubmit(document.getElementById("publish-submit"), document.getElementById("siofu_input"));
// add listeners to the uploader
uploader.addEventListener("start", function(event){
var name = document.getElementById('publish-name').value;
var license = document.getElementById('publish-license').value;
var nsfw = document.getElementById('publish-nsfw').value;
// set meta data
event.file.meta.name = name;
event.file.meta.license = license;
event.file.meta.nsfw = nsfw;
});
uploader.addEventListener("progress", function(event){
var percent = event.bytesLoaded / event.file.size * 100;
updatePublishStatus("File is " + percent.toFixed(2) + "% loaded to the server");
})
// add listener for publish status updates
socket.on("publish-status", function(msg){
updatePublishStatus(msg);
})
socket.on("publish-complete", function(msg){
console.log("publish complete", msg);
var publishResults = `<p>You're publish is complete!</p>`;
publishResults += `<p>The Claim ID is: ${msg.result.claim_id}</p>`;
publishResults += `<p>The TX ID is: <a href="https://explorer.lbry.io/#!/transaction?id=${msg.result.txid}">${msg.result.txid}</a></p>`;
publishResults += `<p>Note: the transaction still needs to be published by the network. Click the tx id link to view the tx on the blockchain explorer</p>`
publishResults += `<p><a href="/">Reload the page to publish another (fancy button coming soon)</a></p>`;
document.getElementById("publish").innerHTML = publishResults;
})
</script> </script>
<script src="/socket.io/socket.io.js"></script>
<script>
var socket = io();
</script>
</body> </body>
</html> </html>

6
public/publishingClaim.html → public/invalidUri.html
View file

@ -4,11 +4,11 @@
<meta charset="UTF-8"> <meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge"> <meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Publishing Asset</title> <title>No Claims</title>
</head> </head>
<body> <body>
<h1>spee.ch</h1> <h1>spee.ch</h1>
<h3>Publishing Asset</h3> <h3>Invalid URI</h3>
<p>Your asset is being published by a handy background worker. You can return to <a href="/">spee.ch</a> and your asset should be published to your claim shortly.</p> <p>There is no claim at that URI.</p>
</body> </body>
</html> </html>

110
routes/html-routes.js
View file

@ -6,27 +6,6 @@ var multipartMiddleware = multipart();
var lbryApi = require('../helpers/lbryApi.js'); var lbryApi = require('../helpers/lbryApi.js');
var queueApi = require('../helpers/queueApi.js'); var queueApi = require('../helpers/queueApi.js');
// helper functions
function createPublishObject(req){
var publishObject = {
"method":"publish",
"params": {
"name": req.body.name,
"file_path": req.files.file.path,
"bid": 0.1,
"metadata": {
"description": req.body.description,
"title": req.body.title,
"author": req.body.author,
"language": req.body.language,
"license": req.body.license,
"nsfw": (req.body.nsfw.toLowerCase() === "true")
}
}
};
return publishObject;
}
// routes to export // routes to export
module.exports = function(app){ module.exports = function(app){
// route to fetch one free public claim // route to fetch one free public claim
@ -34,45 +13,88 @@ module.exports = function(app){
console.log(" >> GET request on favicon.ico"); console.log(" >> GET request on favicon.ico");
res.sendFile(path.join(__dirname, '../public', 'favicon.ico')); res.sendFile(path.join(__dirname, '../public', 'favicon.ico'));
}); });
// route to publish a new claim
app.post("/publish", multipartMiddleware, function(req, res){
console.log(" >> POST request on /publish");
// build the data needed to publish the file
var publishObject = createPublishObject(req);
console.log("publish", publishObject);
// post the task to the que
queueApi.addNewTaskToQueue(JSON.stringify({
type: 'publish',
data: publishObject
}));
// respond to the client that the task has been queued
res.status(200).sendFile(path.join(__dirname, '../public', 'publishingClaim.html'));
});
// route to fetch one free public claim // route to fetch one free public claim
app.get("/:name/all", function(req, res){ app.get("/:name/all", function(req, res){
var name = req.params.name; var name = req.params.name;
console.log(">> GET request on /" + name + " (all)"); console.log(">> GET request on /" + name + " (all)");
lbryApi.serveAllClaims(name, res); // create promise
var promise = lbryApi.getAllClaims(name);
// handle the promise resolve
promise.then(function(orderedFreePublicClaims){
console.log("/name/all promise success.")
res.status(200).send(orderedFreePublicClaims);
return;
})
// handle the promise rejection
.catch(function(error){
console.log("/name/all/ promise error:", error);
// handle the error
if ((error === "NO_CLAIMS") || (error === "NO_FREE_PUBLIC_CLAIMS")){
res.status(307).sendFile(path.join(__dirname, '../public', 'noClaims.html'));
return;
} else {
res.status(400).send(error);
return;
};
})
}); });
// route to fetch one free public claim // route to fetch one free public claim
app.get("/:name/:claim_id", function(req, res){ app.get("/:name/:claim_id", function(req, res){
console.log(">> GET request on /" + req.params.name + "#" + req.params.claim_id); var uri = req.params.name + "#" + req.params.claim_id;
res.status(200).sendFile(path.join(__dirname, '../public', 'claim.html')); console.log(">> GET request on /" + uri);
// create promise
var promise = lbryApi.getClaimBasedOnUri(uri);
// handle the promise resolve
promise.then(function(filePath){
console.log("/name/claim_id promise success - filepath:", filePath)
res.status(200).sendFile(filePath);
return;
})
// handle the promise rejection
.catch(function(error){
console.log("/name/claim_id/ promise error:", error)
// handle the error
if (error === "Invalid URI") {
res.status(400).sendFile(path.join(__dirname, '../public', 'invalidUri.html'));
return;
} else {
res.status(400).send(error);
return;
};
});
}); });
// route to fetch one free public claim // route to fetch one free public claim
app.get("/:name", function(req, res){ app.get("/:name", function(req, res){
var name = req.params.name; var name = req.params.name;
console.log(">> GET request on /" + name) console.log(">> GET request on /" + name);
// send page (includes a socket to get the file) // create promise
res.status(200).sendFile(path.join(__dirname, '../public', 'claim.html')); var promise = lbryApi.getClaimBasedOnNameOnly(name);
// handle the promise resolve
promise.then(function(filePath){
console.log("/name promise success - filepath:", filePath)
res.status(200).sendFile(filePath);
return;
})
// handle the promise rejection
.catch(function(error){
console.log("/name/ promise error:", error);
// handle the error
if ((error === "NO_CLAIMS") || (error === "NO_FREE_PUBLIC_CLAIMS")){
res.status(307).sendFile(path.join(__dirname, '../public', 'noClaims.html'));
return;
};
res.status(400).send(error);
});
}); });
// route for the home page // route for the home page
app.get("/", function(req, res){ app.get("/", function(req, res){
res.sendFile(path.join(__dirname, '../public', 'index.html')); res.status(200).sendFile(path.join(__dirname, '../public', 'index.html'));
}); });
// a catch-all route if someone visits a page that does not exist // a catch-all route if someone visits a page that does not exist
app.use("*", function(req, res){ app.use("*", function(req, res){
res.sendFile(path.join(__dirname, '../public', 'fourOhfour.html')); res.status(404).sendFile(path.join(__dirname, '../public', 'fourOhfour.html'));
}); });
} }

95
routes/sockets-routes.js
View file

@ -4,48 +4,71 @@ module.exports = function(app) {
var fs = require('fs'); var fs = require('fs');
var path = require('path'); var path = require('path');
var lbryApi = require('../helpers/lbryApi.js'); var lbryApi = require('../helpers/lbryApi.js');
var queueApi = require('../helpers/queueApi.js');
var siofu = require("socketio-file-upload");
function sendTheImage(socket, filePath){ // functions to create a publishing object
fs.readFile(filePath, function(err, buff){ function createPublishParams(name, filepath, license, nsfw){
if (err) { var publishParams = {
console.log("socket: fs err:", err); "name": name,
return; "file_path": filepath,
}; "bid": 0.1,
//console.log("buff", buff); "metadata": {
socket.emit('claim-send', { image: true, buffer: buff.toString('base64') }); "description": name + " published via spee.ch",
console.log('socket: the image file has been sent via sockets'); "title": name,
}); "author": "spee.ch",
"language": "en",
"license": license,
"nsfw": (nsfw.toLowerCase() === "true")
}
};
return publishParams;
} }
// publish an image to lbry
function publish(name, filepath, license, nsfw, socket){
// update the client
socket.emit("publish-status", "Your image is being published (this might take a second)...");
// create the publish object
var publishParams = createPublishParams(name, filepath, license, nsfw);
// get a promise to publish
var promise = lbryApi.publishClaim(publishParams);
// handle promise
promise.then(function(data){
console.log("publish promise success. Tx info:", data)
socket.emit("publish-complete", data);
/*
note: remember to delete the local file
*/
})
.catch(function(error){
console.log("error:", error);
socket.emit("publish-status", "publish failed");
/*
note: remember to delete the local file
*/
});
};
io.on('connection', function(socket){ io.on('connection', function(socket){
console.log('a user connected'); console.log('a user connected');
// listener for uploader
// serve an image file from the server var uploader = new siofu();
socket.on('claim-request', function(query){ uploader.dir = path.join(__dirname, '../../Uploads');
// 1. retrieve the image from lbry via daemon uploader.listen(socket);
console.log("socket: received claim request for:", query) // attach upload listeners
if (query.indexOf("/") === -1){ uploader.on("error", function(event){
var promise = lbryApi.getClaimBasedOnNameOnly(query) console.log("an error occured while uploading", event.error);
} else { socket.emit("publish-status", event.error)
var uri = query.replace("/", "#");
var promise = lbryApi.getClaimBasedOnUri(uri)
}
promise.then(function(data){
console.log("socket: claim-request - success:", data)
// 3. serve the image back once it is retrieved
sendTheImage(socket, data);
return;
})
.catch(function(error){
console.log("socket: claim-request - error:", error)
// handle the error
socket.emit("claim-update", error);
return;
});
// 2. emit updates as the image is being retrieved
socket.emit("claim-update", "We are getting your claim for " + query);
}) })
uploader.on("saved", function(event){
console.log("saved " + event.file.name);
if (event.file.success){
socket.emit("publish-status", "file upload successfully completed");
publish(event.file.meta.name, event.file.pathName, event.file.meta.license,event.file.meta.nsfw, socket)
} else {
socket.emit("publish-status", "file saved, but with errors")
};
});
// handle disconnect // handle disconnect
socket.on('disconnect', function(){ socket.on('disconnect', function(){

2
server.js
View file

@ -2,6 +2,7 @@
var express = require('express'); var express = require('express');
var bodyParser = require('body-parser'); var bodyParser = require('body-parser');
var path = require('path'); var path = require('path');
var siofu = require("socketio-file-upload");
// set port // set port
var PORT = 3000; var PORT = 3000;
@ -15,6 +16,7 @@ app.use(express.static(__dirname + '/public'));
// configure express app // configure express app
app.use(bodyParser.json()); // for parsing application/json app.use(bodyParser.json()); // for parsing application/json
app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded app.use(bodyParser.urlencoded({ extended: true })); // for parsing application/x-www-form-urlencoded
app.use(siofu.router);
// require express routes // require express routes
require("./routes/api-routes.js")(app); require("./routes/api-routes.js")(app);