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fix sanitize user input #301

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merged 1 commit into from
Apr 3, 2020
Merged

fix sanitize user input #301

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35 changes: 23 additions & 12 deletions apps/table.html
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Original file line number Diff line number Diff line change
Expand Up @@ -25,24 +25,35 @@
<script src="./loader/loader.js"></script>
<script src="./loader/chunked_upload.js"></script>
<script>
function sanitize(string) {
const map = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#x27;',
"/": '&#x2F;',
};
const reg = /[&<>"'/]/ig;
return string.replace(reg, (match)=>(map[match]));
}
var existingSlideNames = [];
const allowedExtensions = ['svs', 'tif', 'tiff', 'vms', 'vmu', 'ndpi', 'scn', 'mrxs', 'bif', 'svslide'];
function validateForm(callback) {
let x = document.getElementById("slidenameRow")
for (var i = 0; i < x.cells.length - 1; i++) {
var slide = document.getElementById("slidename" + i)
if (slide.value === "") {
let slide = document.getElementById("slidename0");
//Check if slide name is empty
if (slide.value === "") {
changeStatus("UPLOAD", "Please enter slide name");
return false;
}

//Checking if silde with given name already exists
if(existingSlideNames.includes(slide.value)) {
changeStatus("UPLOAD", "Slide with given name already exists");
return false;
}
}
//Checking for extinsion
//Sanitizing input
slide.value = sanitize(slide.value);
//Checking if silde with given name already exists
if(existingSlideNames.includes(slide.value)) {
changeStatus("UPLOAD", "Slide with given name already exists");
return false;
}
//Checking for extension
let filename = document.getElementById("filename0").value
var fileExtension = filename.toLowerCase().split('.').reverse()[0];
if(!allowedExtensions.includes(fileExtension)) {
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