Patch Dropzone to correctly orient preview images.

Include a patch file, applied to Dropzone as of version e524e03c, that
also includes our previous Opera patch from 445e9a3d. The new minified
file is our cut-down exif.js plus the patched dropzone.js.

3 files changed, 190 insertions, 2 deletions

diff --git a/web/js/dropzone.js.patch b/web/js/dropzone.js.patch
new file mode 100644
index 000000000..030b56a6a
--- /dev/null
+++ b/web/js/dropzone.js.patch
@@ -0,0 +1,36 @@
+--- web/js/src/dropzone.orig.js	2016-06-17 21:29:47.000000000 +0100
++++ web/js/src/dropzone.js	2016-06-20 11:40:55.000000000 +0100
+@@ -1469,7 +1469,7 @@
+     return _results;
+   };
+ 
+-  Dropzone.blacklistedBrowsers = [/opera.*Macintosh.*version\/12/i];
++  Dropzone.blacklistedBrowsers = [/opera.*(Windows Phone|Macintosh).*version\/12/i];
+ 
+   Dropzone.isBrowserSupported = function() {
+     var capableBrowser, regex, _i, _len, _ref;
+@@ -1679,7 +1679,23 @@
+   drawImageIOSFix = function(ctx, img, sx, sy, sw, sh, dx, dy, dw, dh) {
+     var vertSquashRatio;
+     vertSquashRatio = detectVerticalSquash(img);
+-    return ctx.drawImage(img, sx, sy, sw, sh, dx, dy, dw, dh / vertSquashRatio);
++    dh = dh / vertSquashRatio;
++
++    /* An improved version of http://stackoverflow.com/a/28356942/669631 */
++    var orientation = 0;
++    switch (EXIF.getData(img)) {
++        case 3: orientation = 2; break;
++        case 6: orientation = 1; break;
++        case 8: orientation = -1; break;
++    }
++    if (orientation) {
++        ctx.translate(dx + dw/2, dy + dh/2);
++        ctx.rotate(orientation * Math.PI / 2);
++        dx = -dw/2;
++        dy = -dh/2;
++    }
++
++    return ctx.drawImage(img, sx, sy, sw, sh, dx, dy, dw, dh);
+   };
+ 
+ 
diff --git a/web/js/dropzone.min.js b/web/js/dropzone.min.js
index f460b6c50..ff19898e9 100755..100644
--- a/web/js/dropzone.min.js
+++ b/web/js/dropzone.min.js
@@ -1,2 +1,60 @@
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+{url:null,method:"post",withCredentials:!1,parallelUploads:2,uploadMultiple:!1,maxFilesize:256,paramName:"file",createImageThumbnails:!0,maxThumbnailFilesize:10,thumbnailWidth:120,thumbnailHeight:120,filesizeBase:1E3,maxFiles:null,params:{},clickable:!0,ignoreHiddenFiles:!0,acceptedFiles:null,acceptedMimeTypes:null,autoProcessQueue:!0,autoQueue:!0,addRemoveLinks:!1,previewsContainer:null,hiddenInputContainer:"body",capture:null,dictDefaultMessage:"Drop files here to upload",dictFallbackMessage:"Your browser does not support drag'n'drop file uploads.",
+dictFallbackText:"Please use the fallback form below to upload your files like in the olden days.",dictFileTooBig:"File is too big ({{filesize}}MiB). Max filesize: {{maxFilesize}}MiB.",dictInvalidFileType:"You can't upload files of this type.",dictResponseError:"Server responded with {{statusCode}} code.",dictCancelUpload:"Cancel upload",dictCancelUploadConfirmation:"Are you sure you want to cancel this upload?",dictRemoveFile:"Remove file",dictRemoveFileConfirmation:null,dictMaxFilesExceeded:"You can not upload any more files.",
+accept:function(a,b){return b()},init:function(){return l},forceFallback:!1,fallback:function(){var a,b,d,f,g;this.element.className=""+this.element.className+" dz-browser-not-supported";g=this.element.getElementsByTagName("div");d=0;for(f=g.length;d<f;d++)a=g[d],/(^| )dz-message($| )/.test(a.className)&&(b=a,a.className="dz-message");b||(b=c.createElement('<div class="dz-message"><span></span></div>'),this.element.appendChild(b));if(a=b.getElementsByTagName("span")[0])null!=a.textContent?a.textContent=
+this.options.dictFallbackMessage:null!=a.innerText&&(a.innerText=this.options.dictFallbackMessage);return this.element.appendChild(this.getFallbackForm())},resize:function(a){var b,d,f;b={srcX:0,srcY:0,srcWidth:a.width,srcHeight:a.height};d=a.width/a.height;b.optWidth=this.options.thumbnailWidth;b.optHeight=this.options.thumbnailHeight;null==b.optWidth&&null==b.optHeight?(b.optWidth=b.srcWidth,b.optHeight=b.srcHeight):null==b.optWidth?b.optWidth=d*b.optHeight:null==b.optHeight&&(b.optHeight=1/d*b.optWidth);
+f=b.optWidth/b.optHeight;a.height<b.optHeight||a.width<b.optWidth?(b.trgHeight=b.srcHeight,b.trgWidth=b.srcWidth):d>f?(b.srcHeight=a.height,b.srcWidth=b.srcHeight*f):(b.srcWidth=a.width,b.srcHeight=b.srcWidth/f);b.srcX=(a.width-b.srcWidth)/2;b.srcY=(a.height-b.srcHeight)/2;return b},drop:function(a){return this.element.classList.remove("dz-drag-hover")},dragstart:l,dragend:function(a){return this.element.classList.remove("dz-drag-hover")},dragenter:function(a){return this.element.classList.add("dz-drag-hover")},
+dragover:function(a){return this.element.classList.add("dz-drag-hover")},dragleave:function(a){return this.element.classList.remove("dz-drag-hover")},paste:l,reset:function(){return this.element.classList.remove("dz-started")},addedfile:function(a){var b,d,f,g,m,x;this.element===this.previewsContainer&&this.element.classList.add("dz-started");if(this.previewsContainer){a.previewElement=c.createElement(this.options.previewTemplate.trim());a.previewTemplate=a.previewElement;this.previewsContainer.appendChild(a.previewElement);
+g=a.previewElement.querySelectorAll("[data-dz-name]");d=0;for(f=g.length;d<f;d++)b=g[d],b.textContent=a.name;g=a.previewElement.querySelectorAll("[data-dz-size]");d=0;for(f=g.length;d<f;d++)b=g[d],b.innerHTML=this.filesize(a.size);this.options.addRemoveLinks&&(a._removeLink=c.createElement('<a class="dz-remove" href="javascript:undefined;" data-dz-remove>'+this.options.dictRemoveFile+"</a>"),a.previewElement.appendChild(a._removeLink));b=function(b){return function(d){d.preventDefault();d.stopPropagation();
+return a.status===c.UPLOADING?c.confirm(b.options.dictCancelUploadConfirmation,function(){return b.removeFile(a)}):b.options.dictRemoveFileConfirmation?c.confirm(b.options.dictRemoveFileConfirmation,function(){return b.removeFile(a)}):b.removeFile(a)}}(this);m=a.previewElement.querySelectorAll("[data-dz-remove]");x=[];f=0;for(g=m.length;f<g;f++)d=m[f],x.push(d.addEventListener("click",b));return x}},removedfile:function(a){var b;a.previewElement&&null!=(b=a.previewElement)&&b.parentNode.removeChild(a.previewElement);
+return this._updateMaxFilesReachedClass()},thumbnail:function(a,b){var d,f,c,m;if(a.previewElement){a.previewElement.classList.remove("dz-file-preview");m=a.previewElement.querySelectorAll("[data-dz-thumbnail]");f=0;for(c=m.length;f<c;f++)d=m[f],d.alt=a.name,d.src=b;return setTimeout(function(b){return function(){return a.previewElement.classList.add("dz-image-preview")}}(this),1)}},error:function(a,b){var d,f,c,m,x;if(a.previewElement){a.previewElement.classList.add("dz-error");"String"!==typeof b&&
+b.error&&(b=b.error);m=a.previewElement.querySelectorAll("[data-dz-errormessage]");x=[];f=0;for(c=m.length;f<c;f++)d=m[f],x.push(d.textContent=b);return x}},errormultiple:l,processing:function(a){if(a.previewElement&&(a.previewElement.classList.add("dz-processing"),a._removeLink))return a._removeLink.textContent=this.options.dictCancelUpload},processingmultiple:l,uploadprogress:function(a,b,d){var c,g,m;if(a.previewElement){g=a.previewElement.querySelectorAll("[data-dz-uploadprogress]");m=[];d=0;
+for(c=g.length;d<c;d++)a=g[d],"PROGRESS"===a.nodeName?m.push(a.value=b):m.push(a.style.width=""+b+"%");return m}},totaluploadprogress:l,sending:l,sendingmultiple:l,success:function(a){if(a.previewElement)return a.previewElement.classList.add("dz-success")},successmultiple:l,canceled:function(a){return this.emit("error",a,"Upload canceled.")},canceledmultiple:l,complete:function(a){a._removeLink&&(a._removeLink.textContent=this.options.dictRemoveFile);if(a.previewElement)return a.previewElement.classList.add("dz-complete")},
+completemultiple:l,maxfilesexceeded:l,maxfilesreached:l,queuecomplete:l,addedfiles:l,previewTemplate:'<div class="dz-preview dz-file-preview">\n  <div class="dz-image"><img data-dz-thumbnail /></div>\n  <div class="dz-details">\n    <div class="dz-size"><span data-dz-size></span></div>\n    <div class="dz-filename"><span data-dz-name></span></div>\n  </div>\n  <div class="dz-progress"><span class="dz-upload" data-dz-uploadprogress></span></div>\n  <div class="dz-error-message"><span data-dz-errormessage></span></div>\n  <div class="dz-success-mark">\n    <svg width="54px" height="54px" viewBox="0 0 54 54" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">\n      <title>Check</title>\n      <defs></defs>\n      <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage">\n        <path d="M23.5,31.8431458 L17.5852419,25.9283877 C16.0248253,24.3679711 13.4910294,24.366835 11.9289322,25.9289322 C10.3700136,27.4878508 10.3665912,30.0234455 11.9283877,31.5852419 L20.4147581,40.0716123 C20.5133999,40.1702541 20.6159315,40.2626649 20.7218615,40.3488435 C22.2835669,41.8725651 24.794234,41.8626202 26.3461564,40.3106978 L43.3106978,23.3461564 C44.8771021,21.7797521 44.8758057,19.2483887 43.3137085,17.6862915 C41.7547899,16.1273729 39.2176035,16.1255422 37.6538436,17.6893022 L23.5,31.8431458 Z M27,53 C41.3594035,53 53,41.3594035 53,27 C53,12.6405965 41.3594035,1 27,1 C12.6405965,1 1,12.6405965 1,27 C1,41.3594035 12.6405965,53 27,53 Z" id="Oval-2" stroke-opacity="0.198794158" stroke="#747474" fill-opacity="0.816519475" fill="#FFFFFF" sketch:type="MSShapeGroup"></path>\n      </g>\n    </svg>\n  </div>\n  <div class="dz-error-mark">\n    <svg width="54px" height="54px" viewBox="0 0 54 54" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:sketch="http://www.bohemiancoding.com/sketch/ns">\n      <title>Error</title>\n      <defs></defs>\n      <g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd" sketch:type="MSPage">\n        <g id="Check-+-Oval-2" sketch:type="MSLayerGroup" stroke="#747474" stroke-opacity="0.198794158" fill="#FFFFFF" fill-opacity="0.816519475">\n          <path d="M32.6568542,29 L38.3106978,23.3461564 C39.8771021,21.7797521 39.8758057,19.2483887 38.3137085,17.6862915 C36.7547899,16.1273729 34.2176035,16.1255422 32.6538436,17.6893022 L27,23.3431458 L21.3461564,17.6893022 C19.7823965,16.1255422 17.2452101,16.1273729 15.6862915,17.6862915 C14.1241943,19.2483887 14.1228979,21.7797521 15.6893022,23.3461564 L21.3431458,29 L15.6893022,34.6538436 C14.1228979,36.2202479 14.1241943,38.7516113 15.6862915,40.3137085 C17.2452101,41.8726271 19.7823965,41.8744578 21.3461564,40.3106978 L27,34.6568542 L32.6538436,40.3106978 C34.2176035,41.8744578 36.7547899,41.8726271 38.3137085,40.3137085 C39.8758057,38.7516113 39.8771021,36.2202479 38.3106978,34.6538436 L32.6568542,29 Z M27,53 C41.3594035,53 53,41.3594035 53,27 C53,12.6405965 41.3594035,1 27,1 C12.6405965,1 1,12.6405965 1,27 C1,41.3594035 12.6405965,53 27,53 Z" id="Oval-2" sketch:type="MSShapeGroup"></path>\n        </g>\n      </g>\n    </svg>\n  </div>\n</div>'};
+k=function(){var a,b,d,c,g,m,x;c=arguments[0];d=2<=arguments.length?v.call(arguments,1):[];m=0;for(x=d.length;m<x;m++)for(a in b=d[m],b)g=b[a],c[a]=g;return c};c.prototype.getAcceptedFiles=function(){var a,b,d,c,g;c=this.files;g=[];b=0;for(d=c.length;b<d;b++)a=c[b],a.accepted&&g.push(a);return g};c.prototype.getRejectedFiles=function(){var a,b,d,c,g;c=this.files;g=[];b=0;for(d=c.length;b<d;b++)a=c[b],a.accepted||g.push(a);return g};c.prototype.getFilesWithStatus=function(a){var b,d,c,g,m;g=this.files;
+m=[];d=0;for(c=g.length;d<c;d++)b=g[d],b.status===a&&m.push(b);return m};c.prototype.getQueuedFiles=function(){return this.getFilesWithStatus(c.QUEUED)};c.prototype.getUploadingFiles=function(){return this.getFilesWithStatus(c.UPLOADING)};c.prototype.getAddedFiles=function(){return this.getFilesWithStatus(c.ADDED)};c.prototype.getActiveFiles=function(){var a,b,d,f,g;f=this.files;g=[];b=0;for(d=f.length;b<d;b++)a=f[b],a.status!==c.UPLOADING&&a.status!==c.QUEUED||g.push(a);return g};c.prototype.init=
+function(){var a,b,d,f,g,m;"form"===this.element.tagName&&this.element.setAttribute("enctype","multipart/form-data");this.element.classList.contains("dropzone")&&!this.element.querySelector(".dz-message")&&this.element.appendChild(c.createElement('<div class="dz-default dz-message"><span>'+this.options.dictDefaultMessage+"</span></div>"));this.clickableElements.length&&(d=function(a){return function(){a.hiddenFileInput&&a.hiddenFileInput.parentNode.removeChild(a.hiddenFileInput);a.hiddenFileInput=
+document.createElement("input");a.hiddenFileInput.setAttribute("type","file");(null==a.options.maxFiles||1<a.options.maxFiles)&&a.hiddenFileInput.setAttribute("multiple","multiple");a.hiddenFileInput.className="dz-hidden-input";null!=a.options.acceptedFiles&&a.hiddenFileInput.setAttribute("accept",a.options.acceptedFiles);null!=a.options.capture&&a.hiddenFileInput.setAttribute("capture",a.options.capture);a.hiddenFileInput.style.visibility="hidden";a.hiddenFileInput.style.position="absolute";a.hiddenFileInput.style.top=
+"0";a.hiddenFileInput.style.left="0";a.hiddenFileInput.style.height="0";a.hiddenFileInput.style.width="0";document.querySelector(a.options.hiddenInputContainer).appendChild(a.hiddenFileInput);return a.hiddenFileInput.addEventListener("change",function(){var b,c,f,g;c=a.hiddenFileInput.files;if(c.length)for(f=0,g=c.length;f<g;f++)b=c[f],a.addFile(b);a.emit("addedfiles",c);return d()})}}(this),d());this.URL=null!=(a=window.URL)?a:window.webkitURL;m=this.events;f=0;for(g=m.length;f<g;f++)a=m[f],this.on(a,
+this.options[a]);this.on("uploadprogress",function(a){return function(){return a.updateTotalUploadProgress()}}(this));this.on("removedfile",function(a){return function(){return a.updateTotalUploadProgress()}}(this));this.on("canceled",function(a){return function(b){return a.emit("complete",b)}}(this));this.on("complete",function(a){return function(b){if(0===a.getAddedFiles().length&&0===a.getUploadingFiles().length&&0===a.getQueuedFiles().length)return setTimeout(function(){return a.emit("queuecomplete")},
+0)}}(this));b=function(a){a.stopPropagation();return a.preventDefault?a.preventDefault():a.returnValue=!1};this.listeners=[{element:this.element,events:{dragstart:function(a){return function(b){return a.emit("dragstart",b)}}(this),dragenter:function(a){return function(d){b(d);return a.emit("dragenter",d)}}(this),dragover:function(a){return function(d){var c;try{c=d.dataTransfer.effectAllowed}catch(f){}d.dataTransfer.dropEffect="move"===c||"linkMove"===c?"move":"copy";b(d);return a.emit("dragover",
+d)}}(this),dragleave:function(a){return function(b){return a.emit("dragleave",b)}}(this),drop:function(a){return function(d){b(d);return a.drop(d)}}(this),dragend:function(a){return function(b){return a.emit("dragend",b)}}(this)}}];this.clickableElements.forEach(function(a){return function(b){return a.listeners.push({element:b,events:{click:function(d){(b!==a.element||d.target===a.element||c.elementInside(d.target,a.element.querySelector(".dz-message")))&&a.hiddenFileInput.click();return!0}}})}}(this));
+this.enable();return this.options.init.call(this)};c.prototype.destroy=function(){var a;this.disable();this.removeAllFiles(!0);null!=(a=this.hiddenFileInput)&&a.parentNode&&(this.hiddenFileInput.parentNode.removeChild(this.hiddenFileInput),this.hiddenFileInput=null);delete this.element.dropzone;return c.instances.splice(c.instances.indexOf(this),1)};c.prototype.updateTotalUploadProgress=function(){var a,b,d,c,g,m;b=d=0;if(this.getActiveFiles().length){m=this.getActiveFiles();c=0;for(g=m.length;c<
+g;c++)a=m[c],d+=a.upload.bytesSent,b+=a.upload.total;a=100*d/b}else a=100;return this.emit("totaluploadprogress",a,b,d)};c.prototype._getParamName=function(a){return"function"===typeof this.options.paramName?this.options.paramName(a):""+this.options.paramName+(this.options.uploadMultiple?"["+a+"]":"")};c.prototype.getFallbackForm=function(){var a,b;if(a=this.getExistingFallback())return a;a='<div class="dz-fallback">';this.options.dictFallbackText&&(a+="<p>"+this.options.dictFallbackText+"</p>");
+a+='<input type="file" name="'+this._getParamName(0)+'" '+(this.options.uploadMultiple?'multiple="multiple"':void 0)+' /><input type="submit" value="Upload!"></div>';a=c.createElement(a);"FORM"!==this.element.tagName?(b=c.createElement('<form action="'+this.options.url+'" enctype="multipart/form-data" method="'+this.options.method+'"></form>'),b.appendChild(a)):(this.element.setAttribute("enctype","multipart/form-data"),this.element.setAttribute("method",this.options.method));return null!=b?b:a};
+c.prototype.getExistingFallback=function(){var a,b,d,c,g;b=function(a){var b,d,c;d=0;for(c=a.length;d<c;d++)if(b=a[d],/(^| )fallback($| )/.test(b.className))return b};g=["div","form"];d=0;for(c=g.length;d<c;d++)if(a=g[d],a=b(this.element.getElementsByTagName(a)))return a};c.prototype.setupEventListeners=function(){var a,b,d,c,g,m,e;m=this.listeners;e=[];c=0;for(g=m.length;c<g;c++)a=m[c],e.push(function(){var c,f;c=a.events;f=[];for(b in c)d=c[b],f.push(a.element.addEventListener(b,d,!1));return f}());
+return e};c.prototype.removeEventListeners=function(){var a,b,c,f,g,e,h;e=this.listeners;h=[];f=0;for(g=e.length;f<g;f++)a=e[f],h.push(function(){var f,g;f=a.events;g=[];for(b in f)c=f[b],g.push(a.element.removeEventListener(b,c,!1));return g}());return h};c.prototype.disable=function(){var a,b,c,f,g;this.clickableElements.forEach(function(a){return a.classList.remove("dz-clickable")});this.removeEventListeners();f=this.files;g=[];b=0;for(c=f.length;b<c;b++)a=f[b],g.push(this.cancelUpload(a));return g};
+c.prototype.enable=function(){this.clickableElements.forEach(function(a){return a.classList.add("dz-clickable")});return this.setupEventListeners()};c.prototype.filesize=function(a){var b,c,f,g,e,h,k,u;f=0;g="b";if(0<a){h=["TB","GB","MB","KB","b"];c=k=0;for(u=h.length;k<u;c=++k)if(e=h[c],b=Math.pow(this.options.filesizeBase,4-c)/10,a>=b){f=a/Math.pow(this.options.filesizeBase,4-c);g=e;break}f=Math.round(10*f)/10}return"<strong>"+f+"</strong> "+g};c.prototype._updateMaxFilesReachedClass=function(){return null!=
+this.options.maxFiles&&this.getAcceptedFiles().length>=this.options.maxFiles?(this.getAcceptedFiles().length===this.options.maxFiles&&this.emit("maxfilesreached",this.files),this.element.classList.add("dz-max-files-reached")):this.element.classList.remove("dz-max-files-reached")};c.prototype.drop=function(a){var b;a.dataTransfer&&(this.emit("drop",a),b=a.dataTransfer.files,this.emit("addedfiles",b),b.length&&((a=a.dataTransfer.items)&&a.length&&null!=a[0].webkitGetAsEntry?this._addFilesFromItems(a):
+this.handleFiles(b)))};c.prototype.paste=function(a){var b;if(null!=(null!=a?null!=(b=a.clipboardData)?b.items:void 0:void 0)&&(this.emit("paste",a),a=a.clipboardData.items,a.length))return this._addFilesFromItems(a)};c.prototype.handleFiles=function(a){var b,c,f,g;g=[];c=0;for(f=a.length;c<f;c++)b=a[c],g.push(this.addFile(b));return g};c.prototype._addFilesFromItems=function(a){var b,c,f,g,e;e=[];f=0;for(g=a.length;f<g;f++)c=a[f],null!=c.webkitGetAsEntry&&(b=c.webkitGetAsEntry())?b.isFile?e.push(this.addFile(c.getAsFile())):
+b.isDirectory?e.push(this._addFilesFromDirectory(b,b.name)):e.push(void 0):null!=c.getAsFile?null==c.kind||"file"===c.kind?e.push(this.addFile(c.getAsFile())):e.push(void 0):e.push(void 0);return e};c.prototype._addFilesFromDirectory=function(a,b){var c,f;c=a.createReader();f=function(a){return function(c){var d,f,e;f=0;for(e=c.length;f<e;f++)d=c[f],d.isFile?d.file(function(c){if(!a.options.ignoreHiddenFiles||"."!==c.name.substring(0,1))return c.fullPath=""+b+"/"+c.name,a.addFile(c)}):d.isDirectory&&
+a._addFilesFromDirectory(d,""+b+"/"+d.name)}}(this);return c.readEntries(f,function(a){return"undefined"!==typeof console&&null!==console?"function"===typeof console.log?console.log(a):void 0:void 0})};c.prototype.accept=function(a,b){return a.size>1048576*this.options.maxFilesize?b(this.options.dictFileTooBig.replace("{{filesize}}",Math.round(a.size/1024/10.24)/100).replace("{{maxFilesize}}",this.options.maxFilesize)):c.isValidFile(a,this.options.acceptedFiles)?null!=this.options.maxFiles&&this.getAcceptedFiles().length>=
+this.options.maxFiles?(b(this.options.dictMaxFilesExceeded.replace("{{maxFiles}}",this.options.maxFiles)),this.emit("maxfilesexceeded",a)):this.options.accept.call(this,a,b):b(this.options.dictInvalidFileType)};c.prototype.addFile=function(a){a.upload={progress:0,total:a.size,bytesSent:0};this.files.push(a);a.status=c.ADDED;this.emit("addedfile",a);this._enqueueThumbnail(a);return this.accept(a,function(b){return function(c){c?(a.accepted=!1,b._errorProcessing([a],c)):(a.accepted=!0,b.options.autoQueue&&
+b.enqueueFile(a));return b._updateMaxFilesReachedClass()}}(this))};c.prototype.enqueueFiles=function(a){var b,c,f;c=0;for(f=a.length;c<f;c++)b=a[c],this.enqueueFile(b);return null};c.prototype.enqueueFile=function(a){if(a.status===c.ADDED&&!0===a.accepted){if(a.status=c.QUEUED,this.options.autoProcessQueue)return setTimeout(function(a){return function(){return a.processQueue()}}(this),0)}else throw Error("This file can't be queued because it has already been processed or was rejected.");};c.prototype._thumbnailQueue=
+[];c.prototype._processingThumbnail=!1;c.prototype._enqueueThumbnail=function(a){if(this.options.createImageThumbnails&&a.type.match(/image.*/)&&a.size<=1048576*this.options.maxThumbnailFilesize)return this._thumbnailQueue.push(a),setTimeout(function(a){return function(){return a._processThumbnailQueue()}}(this),0)};c.prototype._processThumbnailQueue=function(){if(!this._processingThumbnail&&0!==this._thumbnailQueue.length)return this._processingThumbnail=!0,this.createThumbnail(this._thumbnailQueue.shift(),
+function(a){return function(){a._processingThumbnail=!1;return a._processThumbnailQueue()}}(this))};c.prototype.removeFile=function(a){a.status===c.UPLOADING&&this.cancelUpload(a);this.files=r(this.files,a);this.emit("removedfile",a);if(0===this.files.length)return this.emit("reset")};c.prototype.removeAllFiles=function(a){var b,d,f,g;null==a&&(a=!1);g=this.files.slice();d=0;for(f=g.length;d<f;d++)b=g[d],(b.status!==c.UPLOADING||a)&&this.removeFile(b);return null};c.prototype.createThumbnail=function(a,
+b){var c;c=new FileReader;c.onload=function(f){return function(){if("image/svg+xml"===a.type)f.emit("thumbnail",a,c.result),null!=b&&b();else return f.createThumbnailFromUrl(a,c.result,b)}}(this);return c.readAsDataURL(a)};c.prototype.createThumbnailFromUrl=function(a,b,c,f){var g;g=document.createElement("img");f&&(g.crossOrigin=f);g.onload=function(b){return function(){var f,e,h,k,u,l,n;a.width=g.width;a.height=g.height;h=b.options.resize.call(b,a);null==h.trgWidth&&(h.trgWidth=h.optWidth);null==
+h.trgHeight&&(h.trgHeight=h.optHeight);f=document.createElement("canvas");e=f.getContext("2d");f.width=h.trgWidth;f.height=h.trgHeight;p(e,g,null!=(k=h.srcX)?k:0,null!=(u=h.srcY)?u:0,h.srcWidth,h.srcHeight,null!=(l=h.trgX)?l:0,null!=(n=h.trgY)?n:0,h.trgWidth,h.trgHeight);f=f.toDataURL("image/png");b.emit("thumbnail",a,f);if(null!=c)return c()}}(this);null!=c&&(g.onerror=c);return g.src=b};c.prototype.processQueue=function(){var a,b,c,f;b=this.options.parallelUploads;a=c=this.getUploadingFiles().length;
+if(!(c>=b)&&(f=this.getQueuedFiles(),0<f.length)){if(this.options.uploadMultiple)return this.processFiles(f.slice(0,b-c));for(;a<b&&f.length;)this.processFile(f.shift()),a++}};c.prototype.processFile=function(a){return this.processFiles([a])};c.prototype.processFiles=function(a){var b,d,f;d=0;for(f=a.length;d<f;d++)b=a[d],b.processing=!0,b.status=c.UPLOADING,this.emit("processing",b);this.options.uploadMultiple&&this.emit("processingmultiple",a);return this.uploadFiles(a)};c.prototype._getFilesWithXhr=
+function(a){var b,c,f,g,e;g=this.files;e=[];c=0;for(f=g.length;c<f;c++)b=g[c],b.xhr===a&&e.push(b);return e};c.prototype.cancelUpload=function(a){var b,d,f,g;if(a.status===c.UPLOADING){d=this._getFilesWithXhr(a.xhr);f=0;for(g=d.length;f<g;f++)b=d[f],b.status=c.CANCELED;a.xhr.abort();a=0;for(f=d.length;a<f;a++)b=d[a],this.emit("canceled",b);this.options.uploadMultiple&&this.emit("canceledmultiple",d)}else if((b=a.status)===c.ADDED||b===c.QUEUED)a.status=c.CANCELED,this.emit("canceled",a),this.options.uploadMultiple&&
+this.emit("canceledmultiple",[a]);if(this.options.autoProcessQueue)return this.processQueue()};h=function(){var a,b;b=arguments[0];a=2<=arguments.length?v.call(arguments,1):[];return"function"===typeof b?b.apply(this,a):b};c.prototype.uploadFile=function(a){return this.uploadFiles([a])};c.prototype.uploadFiles=function(a){var b,d,f,g,e,l,p,n,q,r,w,v,t,z,y;t=new XMLHttpRequest;e=0;for(v=a.length;e<v;e++)b=a[e],b.xhr=t;e=h(this.options.method,a);v=h(this.options.url,a);t.open(e,v,!0);t.withCredentials=
+!!this.options.withCredentials;r=null;f=function(c){return function(){var d,f,e;e=[];d=0;for(f=a.length;d<f;d++)b=a[d],e.push(c._errorProcessing(a,r||c.options.dictResponseError.replace("{{statusCode}}",t.status),t));return e}}(this);w=function(c){return function(d){var f,e,g;if(null!=d)for(f=100*d.loaded/d.total,e=0,g=a.length;e<g;e++)b=a[e],b.upload={progress:f,total:d.total,bytesSent:d.loaded};else{d=!0;f=100;e=0;for(g=a.length;e<g;e++){b=a[e];if(100!==b.upload.progress||b.upload.bytesSent!==b.upload.total)d=
+!1;b.upload.progress=f;b.upload.bytesSent=b.upload.total}if(d)return}g=[];d=0;for(e=a.length;d<e;d++)b=a[d],g.push(c.emit("uploadprogress",b,f,b.upload.bytesSent));return g}}(this);t.onload=function(b){return function(d){var e;if(a[0].status!==c.CANCELED&&4===t.readyState){r=t.responseText;if(t.getResponseHeader("content-type")&&~t.getResponseHeader("content-type").indexOf("application/json"))try{r=JSON.parse(r)}catch(g){d=g,r="Invalid JSON response from server."}w();return 200<=(e=t.status)&&300>
+e?b._finished(a,r,d):f()}}}(this);t.onerror=function(b){return function(){if(a[0].status!==c.CANCELED)return f()}}(this);(null!=(g=t.upload)?g:t).onprogress=w;e={Accept:"application/json","Cache-Control":"no-cache","X-Requested-With":"XMLHttpRequest"};this.options.headers&&k(e,this.options.headers);for(d in e)(g=e[d])&&t.setRequestHeader(d,g);d=new FormData;if(this.options.params)for(n in e=this.options.params,e)g=e[n],d.append(n,g);n=0;for(g=a.length;n<g;n++)b=a[n],this.emit("sending",b,t,d);this.options.uploadMultiple&&
+this.emit("sendingmultiple",a,t,d);if("FORM"===this.element.tagName)for(v=this.element.querySelectorAll("input, textarea, select, button"),g=0,e=v.length;g<e;g++)if(p=v[g],n=p.getAttribute("name"),q=p.getAttribute("type"),"SELECT"===p.tagName&&p.hasAttribute("multiple"))for(y=p.options,q=0,z=y.length;q<z;q++)p=y[q],p.selected&&d.append(n,p.value);else(!q||"checkbox"!==(l=q.toLowerCase())&&"radio"!==l||p.checked)&&d.append(n,p.value);l=n=0;for(g=a.length-1;0<=g?n<=g:n>=g;l=0<=g?++n:--n)d.append(this._getParamName(l),
+a[l],a[l].name);return this.submitRequest(t,d,a)};c.prototype.submitRequest=function(a,b,c){return a.send(b)};c.prototype._finished=function(a,b,d){var f,e,h;e=0;for(h=a.length;e<h;e++)f=a[e],f.status=c.SUCCESS,this.emit("success",f,b,d),this.emit("complete",f);this.options.uploadMultiple&&(this.emit("successmultiple",a,b,d),this.emit("completemultiple",a));if(this.options.autoProcessQueue)return this.processQueue()};c.prototype._errorProcessing=function(a,b,d){var e,g,h;g=0;for(h=a.length;g<h;g++)e=
+a[g],e.status=c.ERROR,this.emit("error",e,b,d),this.emit("complete",e);this.options.uploadMultiple&&(this.emit("errormultiple",a,b,d),this.emit("completemultiple",a));if(this.options.autoProcessQueue)return this.processQueue()};return c}(w);k.version="4.2.0";k.options={};k.optionsForElement=function(e){if(e.getAttribute("id"))return k.options[q(e.getAttribute("id"))]};k.instances=[];k.forElement=function(e){"string"===typeof e&&(e=document.querySelector(e));if(null==(null!=e?e.dropzone:void 0))throw Error("No Dropzone found for given element. This is probably because you're trying to access it before Dropzone had the time to initialize. Use the `init` option to setup any additional observers on your Dropzone.");
+return e.dropzone};k.autoDiscover=!0;k.discover=function(){var e,c,u,h,a;document.querySelectorAll?c=document.querySelectorAll(".dropzone"):(c=[],e=function(a){var d,e,g,h;h=[];e=0;for(g=a.length;e<g;e++)d=a[e],/(^| )dropzone($| )/.test(d.className)?h.push(c.push(d)):h.push(void 0);return h},e(document.getElementsByTagName("div")),e(document.getElementsByTagName("form")));a=[];u=0;for(h=c.length;u<h;u++)e=c[u],!1!==k.optionsForElement(e)?a.push(new k(e)):a.push(void 0);return a};k.blacklistedBrowsers=
+[/opera.*(Windows Phone|Macintosh).*version\/12/i];k.isBrowserSupported=function(){var e,c,u,h,a;e=!0;if(window.File&&window.FileReader&&window.FileList&&window.Blob&&window.FormData&&document.querySelector)if("classList"in document.createElement("a"))for(a=k.blacklistedBrowsers,u=0,h=a.length;u<h;u++)c=a[u],c.test(navigator.userAgent)&&(e=!1);else e=!1;else e=!1;return e};r=function(e,c){var k,h,a,b;b=[];h=0;for(a=e.length;h<a;h++)k=e[h],k!==c&&b.push(k);return b};q=function(e){return e.replace(/[\-_](\w)/g,
+function(c){return c.charAt(1).toUpperCase()})};k.createElement=function(e){var c;c=document.createElement("div");c.innerHTML=e;return c.childNodes[0]};k.elementInside=function(e,c){if(e===c)return!0;for(;e=e.parentNode;)if(e===c)return!0;return!1};k.getElement=function(e,c){var k;"string"===typeof e?k=document.querySelector(e):null!=e.nodeType&&(k=e);if(null==k)throw Error("Invalid `"+c+"` option provided. Please provide a CSS selector or a plain HTML element.");return k};k.getElements=function(e,
+c){var k,h,a,b,d;if(e instanceof Array){h=[];try{for(a=0,b=e.length;a<b;a++)k=e[a],h.push(this.getElement(k,c))}catch(f){h=null}}else if("string"===typeof e)for(h=[],d=document.querySelectorAll(e),a=0,b=d.length;a<b;a++)k=d[a],h.push(k);else null!=e.nodeType&&(h=[e]);if(null==h||!h.length)throw Error("Invalid `"+c+"` option provided. Please provide a CSS selector, a plain HTML element or a list of those.");return h};k.confirm=function(e,c,k){if(window.confirm(e))return c();if(null!=k)return k()};
+k.isValidFile=function(e,c){var k,h,a,b,d;if(!c)return!0;c=c.split(",");h=e.type;k=h.replace(/\/.*$/,"");b=0;for(d=c.length;b<d;b++)if(a=c[b],a=a.trim(),"."===a.charAt(0)){if(-1!==e.name.toLowerCase().indexOf(a.toLowerCase(),e.name.length-a.length))return!0}else if(/\/\*$/.test(a)){if(k===a.replace(/\/.*$/,""))return!0}else if(h===a)return!0;return!1};"undefined"!==typeof jQuery&&null!==jQuery&&(jQuery.fn.dropzone=function(e){return this.each(function(){return new k(this,e)})});"undefined"!==typeof module&&
+null!==module?module.exports=k:window.Dropzone=k;k.ADDED="added";k.QUEUED="queued";k.ACCEPTED=k.QUEUED;k.UPLOADING="uploading";k.PROCESSING=k.UPLOADING;k.CANCELED="canceled";k.ERROR="error";k.SUCCESS="success";n=function(e){var c,k,h,a,b;h=e.naturalHeight;c=document.createElement("canvas");c.width=1;c.height=h;c=c.getContext("2d");c.drawImage(e,0,0);c=c.getImageData(0,0,1,h).data;b=0;for(a=k=h;a>b;)e=c[4*(a-1)+3],0===e?k=a:b=a,a=k+b>>1;h=a/h;return 0===h?1:h};p=function(e,c,k,h,a,b,d,f,g,m){var l;
+l=n(c);m/=l;l=0;switch(EXIF.getData(c)){case 3:l=2;break;case 6:l=1;break;case 8:l=-1}l&&(e.translate(d+g/2,f+m/2),e.rotate(l*Math.PI/2),d=-g/2,f=-m/2);return e.drawImage(c,k,h,a,b,d,f,g,m)};k._autoDiscoverFunction=function(){if(k.autoDiscover)return k.discover()};(function(e,c){var k,h,a,b,d,f,g,l,n;a=!1;n=!0;h=e.document;l=h.documentElement;k=h.addEventListener?"addEventListener":"attachEvent";g=h.addEventListener?"removeEventListener":"detachEvent";f=h.addEventListener?"":"on";b=function(d){if("readystatechange"!==
+d.type||"complete"===h.readyState)if(("load"===d.type?e:h)[g](f+d.type,b,!1),!a&&(a=!0))return c.call(e,d.type||d)};d=function(){try{l.doScroll("left")}catch(a){setTimeout(d,50);return}return b("poll")};if("complete"!==h.readyState){if(h.createEventObject&&l.doScroll){try{n=!e.frameElement}catch(p){}n&&d()}h[k](f+"DOMContentLoaded",b,!1);h[k](f+"readystatechange",b,!1);return e[k](f+"load",b,!1)}})(window,k._autoDiscoverFunction)}).call(this);
diff --git a/web/js/src/exif.js b/web/js/src/exif.js
new file mode 100644
index 000000000..3a2c7e1c3
--- /dev/null
+++ b/web/js/src/exif.js
@@ -0,0 +1,94 @@
+/* Cut down version of https://github.com/exif-js/exif-js
+ * only looking for orientation EXIF data. MIT. */
+
+(function() {
+    var EXIF = {};
+    window.EXIF = EXIF;
+
+    function readEXIFData(file, start) {
+        var str = "";
+        for (var n = start; n < start+4; n++) {
+            str += String.fromCharCode(file.getUint8(n));
+        }
+        if (str != "Exif") {
+            return false;
+        }
+
+        var bigEnd,
+            tiffOffset = start + 6;
+
+        // test for TIFF validity and endianness
+        if (file.getUint16(tiffOffset) == 0x4949) {
+            bigEnd = false;
+        } else if (file.getUint16(tiffOffset) == 0x4D4D) {
+            bigEnd = true;
+        } else {
+            return false;
+        }
+
+        if (file.getUint16(tiffOffset+2, !bigEnd) != 0x002A) {
+            return false;
+        }
+
+        var firstIFDOffset = file.getUint32(tiffOffset+4, !bigEnd);
+        if (firstIFDOffset < 0x00000008) {
+            return false;
+        }
+
+        var dirStart = tiffOffset + firstIFDOffset,
+            entries = file.getUint16(dirStart, !bigEnd),
+            tags = {},
+            entryOffset,
+            i;
+
+        for (i=0;i<entries;i++) {
+            entryOffset = dirStart + i*12 + 2;
+            if (file.getUint16(entryOffset, !bigEnd) == 0x0112) {
+                return parseInt(file.getUint16(entryOffset + 8, !bigEnd), 10);
+            }
+        }
+        return false;
+    }
+
+    EXIF.getData = function(img) {
+        if ((img instanceof Image || img instanceof HTMLImageElement) && !img.complete) {
+            return false;
+        }
+
+        var base64 = img.src.replace(/^data\:([^\;]+)\;base64,/gmi, '');
+        var binary = atob(base64);
+        var len = binary.length;
+        var file = new ArrayBuffer(len);
+        var view = new Uint8Array(file);
+        for (var i = 0; i < len; i++) {
+            view[i] = binary.charCodeAt(i);
+        }
+
+        var dataView = new DataView(file);
+        if ((dataView.getUint8(0) != 0xFF) || (dataView.getUint8(1) != 0xD8)) {
+            return false; // not a valid jpeg
+        }
+
+        var offset = 2,
+            length = file.byteLength,
+            marker;
+
+        while (offset < length) {
+            if (dataView.getUint8(offset) != 0xFF) {
+                return false; // not a valid marker, something is wrong
+            }
+
+            marker = dataView.getUint8(offset + 1);
+
+            // we could implement handling for other markers here,
+            // but we're only looking for 0xFFE1 for EXIF data
+            if (marker == 225) {
+                return readEXIFData(dataView, offset + 4);
+                // offset += 2 + file.getShortAt(offset+2, true);
+            } else {
+                offset += 2 + dataView.getUint16(offset+2);
+            }
+        }
+    };
+
+})();