update pdf viewer and remove CORS check

res/include/script/file_viewer/Viewer.js

@@ -51,10 +51,7 @@ function Viewer(type, viewToken, data) {
 		document.getElementById("stat_views").remove()
 		document.getElementById("stat_downloads_label").remove()
 		document.getElementById("stat_downloads").remove()
-
-		let file = fileFromSkyNet(data)
-		console.log(file)
-		this.setFile(file)
+		this.setFile(fileFromSkyNet(data))
 	}
 
 	this.renderSponsors()
@@ -247,7 +244,7 @@ function fileFromSkyNet(resp) {
 	let file = fileFromAPIResp(resp)
 	file.icon_href         = "/res/img/mime/empty.png"
 	file.get_href          = "https://siasky.net/"+resp.id
-	file.download_href     = "https://siasky.net/"+resp.id
+	file.download_href     = "https://siasky.net/"+resp.id+"?attachment=1"
 	file.availability_href = ""
 	file.view_href         = ""
 	file.timeseries_href   = ""

res/include/script/file_viewer/viewer_scripts/PDFViewer.js

@@ -5,7 +5,7 @@ function PDFViewer(viewer, file) {
 	this.container = document.createElement("iframe")
 	this.container.classList = "image-container"
 	this.container.style.border = "none"
-	this.container.src = "/res/misc/pdf-viewer/web/viewer.html?file="+this.file.get_href
+	this.container.src = "/res/misc/pdf-viewer/web/viewer.html?file="+encodeURIComponent(this.file.get_href)
 }
 PDFViewer.prototype.render = function(parent) {
 	parent.appendChild(this.container)