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Merge pull request #68 from lbryio/block-used-claims

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Block used claims
This commit is contained in:
Bill Bittner 2017-07-04 09:17:28 -07:00 committed by GitHub
commit 84ec0f9092
13 changed files with 193 additions and 80 deletions
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1
.gitignore vendored
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@ -1,2 +1 @@
node_modules
ApiPublishTest.html

2
README.md
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@ -39,6 +39,8 @@ spee.ch is a single-serving site that reads and publishes images to and from the
* a successfull request returns the resolve results for the claim at that name in JSON format
* /api/claim_list/:name
* a successfull request returns a list of claims at that claim name in JSON format
* /api/isClaimAvailable/:name
* a successfull request returns a boolean: `true` if the name is still available, `false` if the name has already been published to by spee.ch.
#### POST
* /api/publish

58
controllers/publishController.js
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@ -19,20 +19,59 @@ function upsert (Model, values, condition) {
});
}
module.exports = {
publish: (publishParams, fileName, fileType) => {
function checkNameAvailability (name) {
const deferred = new Promise((resolve, reject) => {
// 1. publish the file
// find any records where the name is used
db.File
.findAll({ where: { name } })
.then(result => {
if (result.length >= 1) {
// filter out any results that were not published from a spee.ch wallet address
lbryApi
.getWalletList()
.then((walletList) => {
const filteredResult = result.filter((claim) => {
return walletList.includes(claim.address);
});
if (filteredResult.length >= 1) {
resolve(false);
} else {
resolve(true);
}
})
.catch((error) => {
reject(error);
});
} else {
resolve(true);
}
})
.catch(error => {
reject(error);
});
});
return deferred;
};
module.exports = {
publish (publishParams, fileName, fileType) {
const deferred = new Promise((resolve, reject) => {
// 1. make sure the name is available
checkNameAvailability(publishParams.name)
.then(result => {
if (result === true) {
// 2. publish the file
lbryApi
.publishClaim(publishParams)
.then(result => {
logger.info(`Successfully published ${fileName}`, result);
// 2. update old record of create new one (update is in case the claim has been published before by this daemon)
// 3. update old record or create new one (update is in case the claim has been published before by this daemon)
upsert(
db.File,
{
name : publishParams.name,
claimId : result.claim_id,
address : publishParams.claim_address,
outpoint: `${result.txid}:${result.nout}`,
height : 0,
fileName,
@ -60,7 +99,18 @@ module.exports = {
// reject the promise
reject(error);
});
} else {
const err = new Error('That name has already been claimed by spee.ch. Please choose a new claim name.');
reject(err);
}
})
.catch(error => {
reject(error);
});
});
return deferred;
},
checkNameAvailability (name) {
return checkNameAvailability(name);
},
};

18
controllers/serveController.js
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@ -18,6 +18,7 @@ function updateFileIfNeeded (uri, claimName, claimId, localOutpoint, localHeight
// logger.debug('resolved result:', result);
const resolvedOutpoint = `${result.claim.txid}:${result.claim.nout}`;
const resolvedHeight = result.claim.height;
const resolvedAddress = result.claim.address;
logger.debug('database outpoint:', localOutpoint);
logger.debug('resolved outpoint:', resolvedOutpoint);
// 2. if the outpoint's match, no further work needed
@ -29,7 +30,7 @@ function updateFileIfNeeded (uri, claimName, claimId, localOutpoint, localHeight
// 2. get the resolved claim
} else {
logger.debug(`local outpoint did not match for ${uri}. Initiating update.`);
getClaimAndUpdate(uri, resolvedHeight);
getClaimAndUpdate(uri, resolvedAddress, resolvedHeight);
}
})
.catch(error => {
@ -37,7 +38,7 @@ function updateFileIfNeeded (uri, claimName, claimId, localOutpoint, localHeight
});
}
function getClaimAndUpdate (uri, height) {
function getClaimAndUpdate (uri, address, height) {
// 1. get the claim
lbryApi
.getClaim(uri)
@ -47,7 +48,8 @@ function getClaimAndUpdate (uri, height) {
db.File
.update({
outpoint,
height, // note: height is coming from 'resolve', not 'get'.
height, // note: height is coming from the 'resolve', not 'get'.
address, // note: address is coming from the 'resolve', not 'get'.
fileName: file_name,
filePath: download_path,
fileType: mime_type,
@ -70,7 +72,7 @@ function getClaimAndUpdate (uri, height) {
});
}
function getClaimAndHandleResponse (uri, height, resolve, reject) {
function getClaimAndHandleResponse (uri, address, height, resolve, reject) {
lbryApi
.getClaim(uri)
.then(({ name, claim_id, outpoint, file_name, download_path, mime_type, metadata }) => {
@ -80,8 +82,9 @@ function getClaimAndHandleResponse (uri, height, resolve, reject) {
.create({
name,
claimId : claim_id,
address, // note: comes from parent 'resolve,' not this 'get' call
outpoint,
height,
height, // note: comes from parent 'resolve,' not this 'get' call
fileName: file_name,
filePath: download_path,
fileType: mime_type,
@ -120,6 +123,7 @@ module.exports = {
const claimId = freePublicClaimList[0].claim_id;
const uri = `${name}#${claimId}`;
const height = freePublicClaimList[0].height;
const address = freePublicClaimList[0].address;
// 2. check to see if the file is available locally
db.File
.findOne({ where: { name, claimId } })
@ -133,7 +137,7 @@ module.exports = {
// 3. otherwise use daemon to retrieve it
} else {
// get the claim and serve it
getClaimAndHandleResponse(uri, height, resolve, reject);
getClaimAndHandleResponse(uri, address, height, resolve, reject);
}
})
.catch(error => {
@ -175,7 +179,7 @@ module.exports = {
// 4. check to see if the claim is free & public
if (isFreePublicClaim(result.claim)) {
// 5. get claim and serve
getClaimAndHandleResponse(uri, result.claim.height, resolve, reject);
getClaimAndHandleResponse(uri, result.claim.address, result.claim.height, resolve, reject);
} else {
reject(null);
}

6
controllers/statsController.js
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@ -5,7 +5,7 @@ const db = require('../models');
const googleApiKey = config.get('AnalyticsConfig.GoogleId');
module.exports = {
postToStats: (action, url, ipAddress, result) => {
postToStats (action, url, ipAddress, result) {
logger.silly(`creating ${action} record for statistics db`);
// make sure the result is a string
if (result && (typeof result !== 'string')) {
@ -27,7 +27,7 @@ module.exports = {
logger.error('sequelize error', error);
});
},
sendGoogleAnalytics: (action, ip, originalUrl) => {
sendGoogleAnalytics (action, ip, originalUrl) {
const visitorId = ip.replace(/\./g, '-');
const visitor = ua(googleApiKey, visitorId, { strictCidFormat: false, https: true });
switch (action) {
@ -55,7 +55,7 @@ module.exports = {
default: break;
}
},
getStatsSummary: () => {
getStatsSummary () {
logger.debug('retrieving site statistics');
const deferred = new Promise((resolve, reject) => {
// get the raw statistics data

2
helpers/functions/getAllFreePublicClaims.js
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@ -28,7 +28,7 @@ function orderClaims (claimsListArray) {
return claimsListArray;
}
module.exports = claimName => {
module.exports = (claimName) => {
const deferred = new Promise((resolve, reject) => {
// make a call to the daemon to get the claims list
lbryApi

6
helpers/libraries/errorHandlers.js
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@ -3,7 +3,7 @@ const { postToStats } = require('../../controllers/statsController.js');
module.exports = {
handleRequestError (action, originalUrl, ip, error, res) {
logger.error('Request Error >>', error);
logger.error('Request Error >>', error.message);
if (error.response) {
postToStats(action, originalUrl, ip, error.response.data.error.messsage);
res.status(error.response.status).send(error.response.data.error.message);
@ -12,7 +12,7 @@ module.exports = {
res.status(503).send('Connection refused. The daemon may not be running.');
} else {
postToStats(action, originalUrl, ip, error);
res.status(400).send(JSON.stringify(error));
res.status(400).send(error.message);
}
},
handlePublishError (error) {
@ -23,7 +23,7 @@ module.exports = {
logger.error('Publish Error:', error.response.data.error);
return error.response.data.error.message;
} else {
logger.error('Unhandled Publish Error:', error);
logger.error('Unhandled Publish Error:', error.message);
return error;
}
},

17
helpers/libraries/lbryApi.js
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@ -2,6 +2,23 @@ const axios = require('axios');
const logger = require('winston');
module.exports = {
getWalletList () {
logger.debug('getting wallet list');
const deferred = new Promise((resolve, reject) => {
axios
.post('http://localhost:5279/lbryapi', {
method: 'wallet_list',
})
.then(response => {
const result = response.data.result;
resolve(result);
})
.catch(error => {
reject(error);
});
});
return deferred;
},
publishClaim (publishParams) {
logger.debug(`Publishing claim to "${publishParams.name}"`);
const deferred = new Promise((resolve, reject) => {

4
helpers/libraries/publishHelpers.js
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@ -3,7 +3,7 @@ const config = require('config');
const fs = require('fs');
module.exports = {
createPublishParams: (name, filePath, license, nsfw) => {
createPublishParams (name, filePath, license, nsfw) {
logger.debug(`Creating Publish Parameters for "${name}"`);
// const payAddress = config.get('WalletConfig.LbryPayAddress');
const claimAddress = config.get('WalletConfig.LbryClaimAddress');
@ -40,7 +40,7 @@ module.exports = {
logger.debug('publishParams:', publishParams);
return publishParams;
},
deleteTemporaryFile: (filePath) => {
deleteTemporaryFile (filePath) {
fs.unlink(filePath, err => {
if (err) throw err;
logger.debug(`successfully deleted ${filePath}`);

4
models/file.js
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@ -10,6 +10,10 @@ module.exports = (sequelize, { STRING, BOOLEAN, INTEGER }) => {
type : STRING,
allowNull: false,
},
address: {
type : STRING,
allowNull: false,
},
outpoint: {
type : STRING,
allowNull: false,

2
public/assets/css/allStyle.css
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@ -9,6 +9,7 @@
margin-bottom: 2px;
padding-bottom: 2px;
border-bottom: 1px lightgrey solid;
margin-top: 2em;
}
.main {
@ -42,6 +43,7 @@ footer {
.panel {
overflow: auto;
word-wrap: break-word;
margin-bottom: 1em;
}
.col-left, .col-right {

30
public/assets/js/claimPublish.js
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@ -83,7 +83,7 @@ document.getElementById('publish-submit').addEventListener('click', function(eve
event.preventDefault();
var name = document.getElementById('publish-name').value;
var invalidCharacters = /[^A-Za-z0-9,-]/.exec(name);
// validate 'name'
// validate 'name' field
if (invalidCharacters) {
alert(invalidCharacters + ' is not allowed. A-Z, a-z, 0-9, and "-" only.');
return;
@ -91,10 +91,11 @@ document.getElementById('publish-submit').addEventListener('click', function(eve
alert("You must enter a name for your claim");
return;
}
// make sure a file was selected
if (stagedFiles) {
// make sure only 1 file was selected
if (stagedFiles.length > 1) {
if (!stagedFiles) {
alert("Please select a file");
return;
} else if (stagedFiles.length > 1) {
alert("Only one file is allowed at a time");
return;
}
@ -104,15 +105,30 @@ document.getElementById('publish-submit').addEventListener('click', function(eve
case "image/jpeg":
case "image/gif":
case "video/mp4":
uploader.submitFiles(stagedFiles);
break;
default:
alert("Only .png, .jpeg, .gif, and .mp4 files are currently supported");
break;
return;
}
// make sure the name is available
var xhttp;
xhttp = new XMLHttpRequest();
xhttp.open('GET', '/api/isClaimAvailable/' + name, true);
xhttp.responseType = 'json';
xhttp.onreadystatechange = function() {
if (this.readyState == 4 ) {
if ( this.status == 200) {
if (this.response == true) {
uploader.submitFiles(stagedFiles);
} else {
alert("That name has already been claimed by spee.ch. Please choose a different name.");
}
} else {
alert("Please select a file");
console.log("request to check claim name failed with status:", this.status);
};
}
};
xhttp.send();
})
/* socketio-file-upload listeners */

23
routes/api-routes.js
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@ -9,14 +9,14 @@ const { postToStats, sendGoogleAnalytics } = require('../controllers/statsContro
module.exports = app => {
// route to run a claim_list request on the daemon
app.get('/api/claim_list/:claim', ({ ip, originalUrl, params }, res) => {
app.get('/api/claim_list/:name', ({ ip, originalUrl, params }, res) => {
// google analytics
sendGoogleAnalytics('serve', ip, originalUrl);
// log
logger.verbose(`GET request on ${originalUrl} from ${ip}`);
// serve the content
lbryApi
.getClaimsList(params.claim)
.getClaimsList(params.name)
.then(claimsList => {
postToStats('serve', originalUrl, ip, 'success');
res.status(200).json(claimsList);
@ -25,6 +25,25 @@ module.exports = app => {
errorHandlers.handleRequestError('publish', originalUrl, ip, error, res);
});
});
// route to check whether spee.ch has published to a claim
app.get('/api/isClaimAvailable/:name', ({ ip, originalUrl, params }, res) => {
// log
logger.verbose(`GET request on ${originalUrl} from ${ip}`);
// send response
publishController
.checkNameAvailability(params.name)
.then(result => {
if (result === true) {
res.status(200).json(true);
} else {
logger.debug(`Rejecting publish request because ${params.name} has already been published via spee.ch`);
res.status(200).json(false);
}
})
.catch(error => {
res.status(500).json(error);
});
});
// route to run a resolve request on the daemon
app.get('/api/resolve/:uri', ({ ip, originalUrl, params }, res) => {
// google analytics