diff --git a/pixelapi/pixelapi.go b/pixelapi/pixelapi.go
index 78ca2f6..a0522fe 100644
--- a/pixelapi/pixelapi.go
+++ b/pixelapi/pixelapi.go
@@ -17,7 +17,7 @@ var client = &http.Client{Timeout: time.Minute * 5}
 // PixelAPI is the Pixeldrain API client
 type PixelAPI struct {
 	apiEndpoint string
-	apiKey      string
+	APIKey      string
 	RealIP      string
 }
 
@@ -60,8 +60,8 @@ func (p *PixelAPI) jsonRequest(method, url string, target interface{}) error {
 			Message:  err.Error(),
 		}
 	}
-	if p.apiKey != "" {
-		req.SetBasicAuth("", p.apiKey)
+	if p.APIKey != "" {
+		req.SetBasicAuth("", p.APIKey)
 	}
 	if p.RealIP != "" {
 		req.Header.Set("X-Real-IP", p.RealIP)
@@ -86,8 +86,8 @@ func (p *PixelAPI) getString(url string) (string, error) {
 	if err != nil {
 		return "", err
 	}
-	if p.apiKey != "" {
-		req.SetBasicAuth("", p.apiKey)
+	if p.APIKey != "" {
+		req.SetBasicAuth("", p.APIKey)
 	}
 	if p.RealIP != "" {
 		req.Header.Set("X-Real-IP", p.RealIP)
@@ -110,8 +110,8 @@ func (p *PixelAPI) getRaw(url string) (io.ReadCloser, error) {
 	if err != nil {
 		return nil, err
 	}
-	if p.apiKey != "" {
-		req.SetBasicAuth("", p.apiKey)
+	if p.APIKey != "" {
+		req.SetBasicAuth("", p.APIKey)
 	}
 	if p.RealIP != "" {
 		req.Header.Set("X-Real-IP", p.RealIP)
@@ -141,8 +141,8 @@ func (p *PixelAPI) form(
 			Message:  err.Error(),
 		}
 	}
-	if p.apiKey != "" {
-		req.SetBasicAuth("", p.apiKey)
+	if p.APIKey != "" {
+		req.SetBasicAuth("", p.APIKey)
 	}
 	if p.RealIP != "" {
 		req.Header.Set("X-Real-IP", p.RealIP)
diff --git a/pixelapi/user.go b/pixelapi/user.go
index 0d63bcd..24b7da7 100644
--- a/pixelapi/user.go
+++ b/pixelapi/user.go
@@ -58,7 +58,7 @@ func (p *PixelAPI) UserLogin(username, password string, saveKey bool) (resp *Log
 		return nil, err
 	}
 	if saveKey {
-		p.apiKey = resp.APIKey
+		p.APIKey = resp.APIKey
 	}
 	return resp, nil
 }
diff --git a/res/include/script/file_viewer/DetailsWindow.js b/res/include/script/file_viewer/DetailsWindow.js
index 66325e2..a7401fb 100644
--- a/res/include/script/file_viewer/DetailsWindow.js
+++ b/res/include/script/file_viewer/DetailsWindow.js
@@ -1,7 +1,7 @@
 function DetailsWindow(viewer) {
 	this.viewer  = viewer
 	this.visible = false
-	this.fileID  = ""
+	this.file    = null
 	this.graph   = 0
 
 	this.divPopup        = document.getElementById("details_popup")
@@ -32,16 +32,16 @@ DetailsWindow.prototype.toggle = function() {
 		if (this.graph === 0) {
 			this.renderGraph()
 		}
-		this.updateGraph(this.fileID)
+		this.updateGraph(this.file)
 	}
 }
 
-DetailsWindow.prototype.setDetails = function(file) {
+DetailsWindow.prototype.setFile = function(file) {
+	this.file = file
 	let desc = ""
 	if (this.viewer.isList) {
 		desc = file.description
 	}
-	this.fileID = file.id
 	this.divFileDetails.innerHTML = "<table>"
 		+ "<tr><td>Name<td><td>" + escapeHTML(file.name) + "</td></tr>"
 		+ "<tr><td>URL<td><td><a href=\""+file.link+"\">"+file.link+"</a></td></tr>"
diff --git a/res/include/script/file_viewer/Toolbar.js b/res/include/script/file_viewer/Toolbar.js
index ce0cfc6..c9d00a1 100644
--- a/res/include/script/file_viewer/Toolbar.js
+++ b/res/include/script/file_viewer/Toolbar.js
@@ -93,7 +93,7 @@ Toolbar.prototype.download = function() {
 		return
 	}
 
-	fetch(this.currentFile.file_availability_href).then(resp => {
+	fetch(this.currentFile.availability_href).then(resp => {
 		return resp.json()
 	}).then(resp => {
 		let popupDiv = document.getElementById("captcha_popup")
diff --git a/res/include/script/file_viewer/Viewer.js b/res/include/script/file_viewer/Viewer.js
index 49f8e34..eeae310 100644
--- a/res/include/script/file_viewer/Viewer.js
+++ b/res/include/script/file_viewer/Viewer.js
@@ -54,8 +54,8 @@ function Viewer(type, viewToken, data) {
 		this.setFile(fileFromSkyNet(data))
 	}
 
-	this.renderSponsors()
-	window.addEventListener("resize", e => { this.renderSponsors(e) })
+	// this.renderSponsors()
+	// window.addEventListener("resize", e => { this.renderSponsors(e) })
 
 	// Register keyboard shortcuts
 	document.addEventListener("keydown", e => { this.keyboardEvent(e) })
@@ -74,8 +74,8 @@ Viewer.prototype.setFile = function(file) {
 		document.title = file.name + " ~ pixeldrain"
 	}
 
-	// Update the file details
-	this.detailsWindow.setDetails(file)
+	// Relay the file change event to all components
+	this.detailsWindow.setFile(file)
 	this.toolbar.setFile(file)
 
 	// Register a new view. We don't care what this returns becasue we can't
@@ -129,40 +129,40 @@ Viewer.prototype.setFile = function(file) {
 	}
 }
 
-Viewer.prototype.renderSponsors = function() {
-	let scale       = 1
-	let scaleWidth  = 1
-	let scaleHeight = 1
-	let minWidth    = 728
-	let minHeight   = 800
+// Viewer.prototype.renderSponsors = function() {
+// 	let scale       = 1
+// 	let scaleWidth  = 1
+// 	let scaleHeight = 1
+// 	let minWidth    = 728
+// 	let minHeight   = 800
 
-	if (window.innerWidth < minWidth) {
-		scaleWidth = window.innerWidth/minWidth
-	}
-	if (window.innerHeight < minHeight) {
-		scaleHeight = window.innerHeight/minHeight
-	}
-	scale = scaleWidth < scaleHeight ? scaleWidth : scaleHeight
+// 	if (window.innerWidth < minWidth) {
+// 		scaleWidth = window.innerWidth/minWidth
+// 	}
+// 	if (window.innerHeight < minHeight) {
+// 		scaleHeight = window.innerHeight/minHeight
+// 	}
+// 	scale = scaleWidth < scaleHeight ? scaleWidth : scaleHeight
 
-	// Because of the scale transformation the automatic margins don't work
-	// anymore. So we have to maunally calculate the margin. Where we take the
-	// width of the viewport - the width of the ad to calculate the amount of
-	// pixels around the ad. We multiply the ad size by the scale we calcualted
-	// to account for the smaller size.
-	let offset = (window.innerWidth - (minWidth*scale)) / 2
-	if (offset < 0) {
-		offset = 0
-	}
-	document.querySelector(".sponsors > iframe").style.marginLeft = offset+"px"
+// 	// Because of the scale transformation the automatic margins don't work
+// 	// anymore. So we have to maunally calculate the margin. Where we take the
+// 	// width of the viewport - the width of the ad to calculate the amount of
+// 	// pixels around the ad. We multiply the ad size by the scale we calcualted
+// 	// to account for the smaller size.
+// 	let offset = (window.innerWidth - (minWidth*scale)) / 2
+// 	if (offset < 0) {
+// 		offset = 0
+// 	}
+// 	document.querySelector(".sponsors > iframe").style.marginLeft = offset+"px"
 
-	if (scale == 1) {
-		document.querySelector(".sponsors > iframe").style.transform = "none"
-		document.querySelector(".sponsors").style.height = "90px"
-	} else {
-		document.querySelector(".sponsors > iframe").style.transform = "scale("+scale+")"
-		document.querySelector(".sponsors").style.height = (scale*90)+"px"
-	}
-}
+// 	if (scale == 1) {
+// 		document.querySelector(".sponsors > iframe").style.transform = "none"
+// 		document.querySelector(".sponsors").style.height = "90px"
+// 	} else {
+// 		document.querySelector(".sponsors > iframe").style.transform = "scale("+scale+")"
+// 		document.querySelector(".sponsors").style.height = (scale*90)+"px"
+// 	}
+// }
 
 Viewer.prototype.keyboardEvent = function(evt) {
 	if (evt.ctrlKey || evt.altKey) {
@@ -243,8 +243,8 @@ function fileFromAPIResp(resp) {
 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+"?attachment=1"
+	file.get_href          = "https://sky.pixeldrain.com/"+resp.id
+	file.download_href     = "https://sky.pixeldrain.com/"+resp.id+"?attachment=1"
 	file.availability_href = ""
 	file.view_href         = ""
 	file.timeseries_href   = ""
diff --git a/res/include/style/layout.css b/res/include/style/layout.css
index 6e165c7..1388005 100644
--- a/res/include/style/layout.css
+++ b/res/include/style/layout.css
@@ -461,6 +461,8 @@ input[type=file]{
 	background-color: var(--scrollbar_foreground_color);
 	border-radius: 10px;
 	border: 5px solid var(--scrollbar_background_color);
+	height: 40px;
+	width: 40px;
 }
 ::-webkit-scrollbar-thumb:hover {
 	background-color: var(--scrollbar_hover_color);
diff --git a/res/template/file_viewer.html b/res/template/file_viewer.html
index e7245d9..c5ce726 100644
--- a/res/template/file_viewer.html
+++ b/res/template/file_viewer.html
@@ -95,15 +95,6 @@
 					<div class="center" style="width: 100px; height: 100px;">{{template "spinner.svg" .}}</div>
 				</div>
 			</div>
-			<div id="sponsors" class="sponsors">
-				<!-- scrolling="no" is not allowed by the W3C, but overflow: hidden doesn't work in chrome, so I have no choice -->
-				<iframe
-					data-aa="73974"
-					src="//ad.a-ads.com/73974?size=728x90&background_color={{.Style.Layer1Color.RGB}}&text_color={{.Style.TextColor.RGB}}&title_color={{.Style.HighlightColor.RGB}}&title_hover_color={{.Style.HighlightColor.RGB}}&link_color={{.Style.HighlightColor.RGB}}&link_hover_color={{.Style.HighlightColor.RGB}}"
-					style="width:728px; height:90px; border:none; padding:0; overflow:hidden;"
-					scrolling="no">
-				</iframe>
-			</div>
 
 			<!-- Popup windows, hidden by default -->
 			<div id="details_popup" class="popup details_popup">
diff --git a/res/template/fragments/api/file.html b/res/template/fragments/api/file.html
index 09ed36c..3e068a3 100644
--- a/res/template/fragments/api/file.html
+++ b/res/template/fragments/api/file.html
@@ -65,7 +65,7 @@
 {
 	"success": false,
 	"value": "file_too_large",
-	"message": "The file you tried to upload is too large. Max 5000 MB allowed."
+	"message": "The file you tried to upload is too large"
 }</pre>
 <pre>HTTP 500: Internal Server Error
 {
@@ -92,9 +92,24 @@
 			byte range requests.
 		</p>
 		<p>
-				When '?download' is added to the URL the server will send an
-				attachment header instead of inline rendering, which causes the
-				browser to show a 'Save File' dialog.
+			When '?download' is added to the URL the server will send an
+			attachment header instead of inline rendering, which causes the
+			browser to show a 'Save File' dialog.
+		</p>
+		<p>
+			Warning: If a file is using too much bandwidth it can be rate
+			limited. The rate limit will be enabled if a file has ten times more
+			downloads than views. The owner of a file can always download it.
+			When a file is rate limited the user will need to fill out a captcha
+			in order to continue downloading the file. The captcha will only
+			appear on the file viewer page (pixeldrain.com/u/{id}). Rate
+			limiting has been added to prevent the spread of viruses and to stop
+			direct linking.
+		</p>
+		<p>
+			Pixeldrain also includes a virus scanner. If a virus has been
+			detected in a file the user will also have to fill in a captcha to
+			download it.
 		</p>
 		<h3>Parameters</h3>
 		<table>
@@ -118,7 +133,31 @@
 			</tr>
 		</table>
 		<h3>Returns</h3>
-		A file output stream.
+		<pre>HTTP 200: OK
+The requested file.
+		</pre>
+		
+<pre>HTTP 404: Not Found
+{
+	"success": false,
+	"value": "not_found",
+	"message": "The entity you requested could not be found"
+}
+</pre>
+		<pre>HTTP 403: Forbidden
+{
+	"success": false,
+	"value": "file_rate_limited_captcha_required",
+	"message": "This file is using too much bandwidth. For anonymous downloads a captcha is required now. The captcha entry is available on the download page"
+}
+		</pre>
+		<pre>HTTP 403: Forbidden
+{
+	"success": false,
+	"value": "virus_detected_captcha_required",
+	"message": "This file has been marked as malware by our scanning systems. To avoid infecting other systems through automated downloads we require you to enter a captcha. The captcha entry is available on the download page"
+}
+		</pre>
 	</div>
 </details>
 {{end}}
@@ -152,17 +191,15 @@
 <pre>HTTP 200: OK
 {
 	"success": true,
-	"id": "123abc",
+	"id": "1234abcd",
 	"name": "screenshot.png",
-	"date_upload": 1485894987, // Timestamp
-	"date_last_view": 1485894987, // Timestamp
+	"date_upload": 2020-02-04T18:34:05.706801Z,
+	"date_last_view": 2020-02-04T18:34:05.706801Z,
 	"size": 5694837, // Bytes
 	"views" 1234, // Amount of unique file views
 	"bandwidth_used": 1234567890, // Bytes
 	"mime_type" "image/png",
-	"description": "File description",
-	"mime_image": "http://pixeldra.in/res/img/mime/image-png.png", // Image associated with the mime type
-	"thumbnail": "http://pixeldra.in/api/thumbnail/123abc" // Link to a thumbnail of this file
+	"thumbnail_href": "/file/1234abcd/thumbnail" // Link to a thumbnail of this file
 }</pre>
 <pre>HTTP 404: Not Found
 {
diff --git a/res/template/fragments/api/list.html b/res/template/fragments/api/list.html
index ef79f3a..bdd040b 100644
--- a/res/template/fragments/api/list.html
+++ b/res/template/fragments/api/list.html
@@ -121,37 +121,50 @@
 	"success": true,
 	"id": "L8bhwx",
 	"title": "Rust in Peace",
-	"date_created": 1513033315,
+	"date_created": 2020-02-04T18:34:13.466276Z,
 	"files": [
+		// These structures are the same as the file info response, except for the detail_href and description fields
 		{
 			"detail_href": "/file/_SqVWi/info",
+			"description": "",
+			"success": true,
 			"id": "_SqVWi",
 			"name": "01 Holy Wars... The Punishment Due.mp3",
-			"description": "",
-			"date_created": 1513033304,
-			"date_last_view": 1513033304,
+			"size": 123456,
+			"date_created": 2020-02-04T18:34:13.466276Z,
+			"date_last_view": 2020-02-04T18:34:13.466276Z,
+			"mime_type": "audio/mp3",
 			"views": 1,
-			"bandwidth_used": 1234567890
+			"bandwidth_used": 1234567890,
+			"thumbnail_href": "/file/_SqVWi/thumbnail"
 		},
 		{
 			"detail_href": "/file/RKwgZb/info",
+			"description": "",
+			"success": true,
 			"id": "RKwgZb",
 			"name": "02 Hangar 18.mp3",
-			"description": "",
-			"date_created": 1513033304,
-			"date_last_view": 1513033304,
+			"size": 123456,
+			"date_created": 2020-02-04T18:34:13.466276Z,
+			"date_last_view": 2020-02-04T18:34:13.466276Z,
+			"mime_type": "audio/mp3",
 			"views": 2,
-			"bandwidth_used": 1234567890
+			"bandwidth_used": 1234567890,
+			"thumbnail_href": "/file/RKwgZb/thumbnail"
 		},
 		{
 			"detail_href": "/file/DRaL_e/info",
+			"description": "",
+			"success": true,
 			"id": "DRaL_e",
 			"name": "03 Take No Prisoners.mp3",
-			"description": "",
-			"date_created": 1513033304,
-			"date_last_view": 1513033304,
+			"size": 123456,
+			"date_created": 2020-02-04T18:34:13.466276Z,
+			"date_last_view": 2020-02-04T18:34:13.466276Z,
+			"mime_type": "audio/mp3",
 			"views": 3,
-			"bandwidth_used": 1234567890
+			"bandwidth_used": 1234567890,
+			"thumbnail_href": "/file/DRaL_e/thumbnail"
 		}
 	]
 }
diff --git a/webcontroller/file_viewer.go b/webcontroller/file_viewer.go
index 4809415..cb0e448 100644
--- a/webcontroller/file_viewer.go
+++ b/webcontroller/file_viewer.go
@@ -165,7 +165,7 @@ func (wc *WebController) serveSkynetViewer(w http.ResponseWriter, r *http.Reques
 
 	// Get the first few bytes from the file to probe the content type and
 	// length
-	rq, err := http.NewRequest("GET", "https://siasky.net/"+p.ByName("id"), nil)
+	rq, err := http.NewRequest("GET", "https://sky.pixeldrain.com/"+p.ByName("id"), nil)
 	if err != nil {
 		log.Warn("Failed to make request to sia portal: %s", err)
 		w.WriteHeader(http.StatusInternalServerError)
diff --git a/webcontroller/templates.go b/webcontroller/templates.go
index 9e8cc46..e5c3c17 100644
--- a/webcontroller/templates.go
+++ b/webcontroller/templates.go
@@ -64,7 +64,10 @@ func (wc *WebController) newTemplateData(w http.ResponseWriter, r *http.Request)
 			log.Debug("Session check for key '%s' failed: %s", key, err)
 
 			if err.Error() == "authentication_required" || err.Error() == "authentication_failed" {
-				// This key is invalid, delete it
+				// Disable API authentication
+				t.PixelAPI.APIKey = ""
+
+				// Remove the authentication cookie
 				log.Debug("Deleting invalid API key")
 				http.SetCookie(w, &http.Cookie{
 					Name:    "pd_auth_key",
@@ -73,6 +76,13 @@ func (wc *WebController) newTemplateData(w http.ResponseWriter, r *http.Request)
 					Expires: time.Unix(0, 0),
 					Domain:  wc.sessionCookieDomain,
 				})
+				http.SetCookie(w, &http.Cookie{
+					Name:    "pd_auth_key",
+					Value:   "",
+					Path:    "/",
+					Expires: time.Unix(0, 0),
+					Domain:  ".pixeldrain.com",
+				})
 			}
 			return t
 		}
diff --git a/webcontroller/user_account.go b/webcontroller/user_account.go
index 5b2b5bf..dc9e6b6 100644
--- a/webcontroller/user_account.go
+++ b/webcontroller/user_account.go
@@ -172,12 +172,16 @@ func (wc *WebController) loginForm(td *TemplateData, r *http.Request) (f Form) {
 			// Request was a success
 			f.SubmitSuccess = true
 			f.SubmitMessages = []template.HTML{"Success!"}
+
+			// Set the autentication cookie
 			f.Extra.SetCookie = &http.Cookie{
-				Name:    "pd_auth_key",
-				Value:   loginResp.APIKey,
-				Path:    "/",
-				Expires: time.Now().AddDate(50, 0, 0),
-				Domain:  wc.sessionCookieDomain,
+				Name:     "pd_auth_key",
+				Value:    loginResp.APIKey,
+				Path:     "/",
+				Expires:  time.Now().AddDate(50, 0, 0),
+				Domain:   wc.sessionCookieDomain,
+				SameSite: http.SameSiteStrictMode,
+				Secure:   true,
 			}
 			f.Extra.RedirectTo = "/user"
 		}
diff --git a/webcontroller/web_controller.go b/webcontroller/web_controller.go
index a7dcc72..87711e7 100644
--- a/webcontroller/web_controller.go
+++ b/webcontroller/web_controller.go
@@ -183,6 +183,7 @@ func (wc *WebController) serveForm(
 
 		// Execute the extra actions if any
 		if td.Form.Extra.SetCookie != nil {
+			w.Header().Del("Set-Cookie")
 			http.SetCookie(w, td.Form.Extra.SetCookie)
 		}
 		if td.Form.Extra.RedirectTo != "" {