Front end validation #39
6 changed files with 42 additions and 19 deletions
12
package.json
12
package.json
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@ -1,7 +1,7 @@
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{
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"name": "spee.ch-backend",
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"name": "spee.ch",
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"version": "0.0.1",
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"description": "a back end for spee.ch",
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"description": "a single-serving site that reads and publishes images to and from the LBRY blockchain",
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"main": "server.js",
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"scripts": {
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"test": "echo \"Error: no test specified\" && exit 1",
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@ -12,19 +12,19 @@
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},
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"repository": {
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"type": "git",
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"url": "git+https://github.com/billbitt/spee.ch-backend.git"
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"url": "git+https://github.com/lbryio/spee.ch.git"
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},
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"keywords": [
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"spee.ch",
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"lbry",
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"blockchain"
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],
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"author": "@billbitt @vxn",
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"author": "@billbitt @kauffj @filipnyquist",
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"license": "MIT",
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"bugs": {
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"url": "https://github.com/billbitt/spee.ch-backend/issues"
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"url": "https://github.com/lbryio/spee.ch/issues"
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},
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"homepage": "https://github.com/billbitt/spee.ch-backend#readme",
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"homepage": "https://github.com/lbryio/spee.ch#readme",
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"dependencies": {
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"axios": "^0.16.1",
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"body-parser": "^1.17.1",
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@ -27,6 +27,7 @@ function previewAndStageFile(selectedFile){
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var preview = document.getElementById('image-preview');
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var dropzone = document.getElementById('drop-zone');
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var previewReader = new FileReader();
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var nameInput = document.getElementById('publish-name');
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preview.style.display = 'block';
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dropzone.style.display = 'none';
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@ -36,9 +37,10 @@ function previewAndStageFile(selectedFile){
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};
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if (selectedFile) {
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console.log(selectedFile);
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previewReader.readAsDataURL(selectedFile); // reads the data and sets the img src
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document.getElementById('publish-name').value = selectedFile.name.substring(0, selectedFile.name.indexOf('.')); // updates metadata inputs
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if (nameInput.value === "") {
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nameInput.value = selectedFile.name.substring(0, selectedFile.name.indexOf('.'));
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}
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stagedFiles = [selectedFile]; // stores the selected file for upload
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} else {
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preview.src = '';
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@ -84,11 +86,21 @@ function dragend_handler(ev) {
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/* configure the submit button */
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document.getElementById('publish-submit').addEventListener('click', function(event){
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event.preventDefault();
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var name = document.getElementById('publish-name').value;
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var invalidCharacters = /[^\w,-]/.exec(name);
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// validate 'name'
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if (invalidCharacters) {
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alert(invalidCharacters + ' is not allowed. A-Z, a-z, 0-9, "_" and "-" only.');
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return;
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} else if (name.length < 1) {
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alert("You must enter a name for your claim");
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return;
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}
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// make sure a file was selected
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if (stagedFiles) {
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// make sure only 1 file was selected
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if (stagedFiles.length > 1) {
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alert("Only one file allowed at a time");
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alert("Only one file is allowed at a time");
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return;
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}
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// make sure the content type is acceptable
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@ -103,6 +115,8 @@ document.getElementById('publish-submit').addEventListener('click', function(eve
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alert("Only .png, .jpeg, .gif, and .mp4 files are currently supported");
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break;
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}
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} else {
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alert("Please select a file");
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}
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})
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@ -6,7 +6,6 @@ var fontSize = 28;
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var topText = document.getElementById('top-text');
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var bottomText = document.getElementById('bottom-text');
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var ctx = canvas.getContext('2d');
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var claimNameInput = document.getElementById("file-name-input");
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// create the canvas
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img.onload = function() {
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@ -5,7 +5,7 @@ var uploader = new SocketIOFileUpload(socket);
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var stagedFiles = null;
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var license = 'Creative Commons';
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var nsfw = false;
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var claimName;
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var nameInput = document.getElementById("publish-name");
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function dataURItoBlob(dataURI) {
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// convert base64/URLEncoded data component to raw binary data held in a string
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@ -31,8 +31,7 @@ function startPublish() {
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//download the image
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var dataUrl = canvas.toDataURL('image/jpeg'); // canvas defined in memeDraw.js
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var blob = dataURItoBlob(dataUrl)
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claimName = claimNameInput.value; // claimNameInput.value defined in memeDraw.js
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var fileName = claimNameInput.value + ".jpg";
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var fileName = nameInput.value + ".jpg"; //note: need to dynamically grab type
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var file = new File([blob], fileName, {type: 'image/jpeg', lastModified: Date.now()});
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console.log(file);
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stageAndPublish(file);
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@ -59,6 +58,16 @@ function createProgressBar(element, size){
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}
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function stageAndPublish(file) {
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var name = nameInput.value;
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var invalidCharacters = /[^\w,-]/.exec(name);
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// validate 'name'
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if (invalidCharacters) {
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alert(invalidCharacters + ' is not allowed. A-Z, a-z, 0-9, "_" and "-" only.');
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return;
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} else if (name.length < 1) {
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alert("You must enter a name for your claim");
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return;
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}
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// stage files
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stagedFiles = [file]; // stores the selected file for
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// make sure a file was selected
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@ -80,8 +89,9 @@ function stageAndPublish(file) {
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alert("Only .png, .jpeg, .gif, and .mp4 files are currently supported");
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break;
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}
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} else {
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alert("Please select a file");
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}
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}
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// update the publish status
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@ -91,7 +101,7 @@ function updatePublishStatus(msg){
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/* socketio-file-upload listeners */
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uploader.addEventListener('start', function(event){
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event.file.meta.name = claimName;
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event.file.meta.name = nameInput.value;
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event.file.meta.license = license;
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event.file.meta.nsfw = nsfw;
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event.file.meta.type = stagedFiles[0].type;
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@ -14,13 +14,13 @@
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<textarea id="direct-link-holder" hidden="true">No URL yet</textarea>
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<div id="publish-active-area">
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<p>
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<label for="top-text">Meme:</label><br/>
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<label>Meme:</label><br/>
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<input id="top-text" type="text" value="Hello" /><br/>
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<input id="bottom-text" type="text" value="world!" /><br/>
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</p>
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<p>
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<label for="meme-name">Claim Name:</label></br>
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<input id="file-name-input" type="text" value="My-Claim-Name" />
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<label for="publish-name">Claim Name:</label></br>
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<input id="publish-name" type="text" placeholder="Your claim name" />
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</p>
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<p>
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<button onclick="startPublish()">Save and Publish</button>
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@ -10,7 +10,7 @@
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<div class="col-right">
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<textarea id="direct-link-holder" hidden="true">No URL yet</textarea>
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<div id="publish-active-area">
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<input type="text" id="publish-name" value="Name" class="form-control">
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<input type="text" id="publish-name" placeholder="Your claim name" class="form-control">
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<p>
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<label for="publish-license">License:</label>
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<br/>
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