Share ED via Cloudflare's ArgoTunnel

Shares the Easy Diffusion instance via https://try.cloudflare.com/

scripts/check_modules.py

@@ -23,6 +23,7 @@ modules_to_check = {
     "rich": "12.6.0",
     "uvicorn": "0.19.0",
     "fastapi": "0.85.1",
+    "pycloudflared": "0.2.0",
     # "xformers": "0.0.16",
 }
 

ui/easydiffusion/server.py

@@ -15,6 +15,7 @@ from fastapi import FastAPI, HTTPException
 from fastapi.staticfiles import StaticFiles
 from pydantic import BaseModel, Extra
 from starlette.responses import FileResponse, JSONResponse, StreamingResponse
+from pycloudflared import try_cloudflare
 
 log.info(f"started in {app.SD_DIR}")
 log.info(f"started at {datetime.datetime.now():%x %X}")
@@ -113,6 +114,14 @@ def init():
     def get_image(task_id: int, img_id: int):
         return get_image_internal(task_id, img_id)
 
+    @server_api.post("/tunnel/cloudflare/start")
+    def start_cloudflare_tunnel(req: dict):
+        return start_cloudflare_tunnel_internal(req)
+
+    @server_api.post("/tunnel/cloudflare/stop")
+    def stop_cloudflare_tunnel(req: dict):
+        return stop_cloudflare_tunnel_internal(req)
+
     @server_api.get("/")
     def read_root():
         return FileResponse(os.path.join(app.SD_UI_DIR, "index.html"), headers=NOCACHE_HEADERS)
@@ -211,6 +220,8 @@ def ping_internal(session_id: str = None):
         session = task_manager.get_cached_session(session_id, update_ttl=True)
         response["tasks"] = {id(t): t.status for t in session.tasks}
     response["devices"] = task_manager.get_devices()
+    if cloudflare.address != None:
+        response["cloudflare"] = cloudflare.address
     return JSONResponse(response, headers=NOCACHE_HEADERS)
 
 
@@ -322,3 +333,46 @@ def get_image_internal(task_id: int, img_id: int):
         return StreamingResponse(img_data, media_type="image/jpeg")
     except KeyError as e:
         raise HTTPException(status_code=500, detail=str(e))
+
+#---- Cloudflare Tunnel ----
+class CloudflareTunnel:
+    def __init__(self):
+        config = app.getConfig()
+        self.Urls = None
+        self.port = config["net"]["listen_port"]
+
+    def start(self):
+        self.Urls = try_cloudflare(self.port)
+
+    def stop(self):
+        if self.Urls != None:
+            try_cloudflare.terminate(self.port)
+            self.Urls = None
+
+    @property
+    def address(self):
+        if self.Urls != None:
+            return self.Urls.tunnel
+        else:
+            return None
+
+cloudflare = CloudflareTunnel()
+
+def start_cloudflare_tunnel_internal(req: dict):
+   try:
+      cloudflare.start()
+      log.info(f"- Started cloudflare tunnel. Using address: {cloudflare.address}")
+      return JSONResponse({"address":cloudflare.address})
+   except Exception as e:
+      log.error(str(e))
+      log.error(traceback.format_exc())
+      return HTTPException(status_code=500, detail=str(e))
+
+def stop_cloudflare_tunnel_internal(req: dict):
+   try:
+      cloudflare.stop()
+   except Exception as e:
+      log.error(str(e))
+      log.error(traceback.format_exc())
+      return HTTPException(status_code=500, detail=str(e))
+

ui/index.html

@@ -347,10 +347,16 @@
         <div id="tab-content-settings" class="tab-content">
             <div id="system-settings" class="tab-content-inner">
                 <h1>System Settings</h1>
-                <div class="parameters-table"></div>
+                <div class="parameters-table" id="system-settings-table"></div>
                 <br/>
                 <button id="save-system-settings-btn" class="primaryButton">Save</button>
                 <br/><br/>
+                <div id="share-easy-diffusion">
+                   <h3><i class="fa fa-user-group"></i> Share Easy Diffusion</h3>
+                   <div class="parameters-table" id="system-settings-network-table">
+                   </div>
+                </div>
+                <br/><br/>
                 <div>
                     <h3><i class="fa fa-microchip icon"></i> System Info</h3>
                     <div id="system-info">
@@ -525,7 +531,8 @@ async function init() {
     SD.init({
         events: {
             statusChange: setServerStatus,
-            idle: onIdle
+            idle: onIdle,
+            ping: tunnelUpdate
         }
     })
 

ui/media/css/auto-save.css

@@ -69,13 +69,15 @@
 }
 
 .parameters-table > div:first-child {
-    border-radius: 12px 12px 0px 0px;
+    border-top-left-radius: 12px;
+    border-top-right-radius: 12px;
 }
 
 .parameters-table > div:last-child {
-    border-radius: 0px 0px 12px 12px;
+    border-bottom-left-radius: 12px;
+    border-bottom-right-radius: 12px;
 }
 
 .parameters-table .fa-fire {
     color: #F7630C;
-}
+}

ui/media/css/main.css

@@ -1309,6 +1309,15 @@ body.wait-pause {
     padding-left: 5pt;
 }
 
+#cloudflare-address {
+    background-color: var(--background-color3);
+    padding: 6px;
+    border-radius: var(--input-border-radius);
+    border: var(--input-border-size) solid var(--input-border-color);
+    margin-top: 0.2em;
+    margin-bottom: 0.2em;
+}
+
 /* TOAST NOTIFICATIONS */
 .toast-notification {
     position: fixed;

ui/media/js/engine.js

@@ -186,6 +186,7 @@
     const EVENT_TASK_START = "taskStart"
     const EVENT_TASK_END = "taskEnd"
     const EVENT_TASK_ERROR = "task_error"
+    const EVENT_PING = "ping"
     const EVENT_UNEXPECTED_RESPONSE = "unexpectedResponse"
     const EVENTS_TYPES = [
         EVENT_IDLE,
@@ -196,6 +197,7 @@
         EVENT_TASK_START,
         EVENT_TASK_END,
         EVENT_TASK_ERROR,
+        EVENT_PING,
 
         EVENT_UNEXPECTED_RESPONSE,
     ]
@@ -240,6 +242,7 @@
                 setServerStatus("error", "offline")
                 return false
             }
+
             // Set status
             switch (serverState.status) {
                 case ServerStates.init:
@@ -261,6 +264,7 @@
                     break
             }
             serverState.time = Date.now()
+            await eventSource.fireEvent(EVENT_PING, serverState)
             return true
         } catch (e) {
             console.error(e)

ui/media/js/main.js

@@ -1951,6 +1951,38 @@ resumeBtn.addEventListener("click", function() {
     document.body.classList.remove("wait-pause")
 })
 
+function tunnelUpdate(event) {
+    if ("cloudflare" in event) {
+        document.getElementById('cloudflare-off').classList.add("displayNone")
+        document.getElementById('cloudflare-on').classList.remove("displayNone")
+        document.getElementById('cloudflare-address').innerHTML = event.cloudflare
+        document.getElementById('toggle-cloudflare-tunnel').innerHTML = "Stop"
+    } else {
+        document.getElementById('cloudflare-on').classList.add("displayNone")
+        document.getElementById('cloudflare-off').classList.remove("displayNone")
+        document.getElementById('toggle-cloudflare-tunnel').innerHTML = "Start"
+    }
+}
+
+document.getElementById('toggle-cloudflare-tunnel').addEventListener("click", async function() {
+    let command = "stop"
+    if (document.getElementById('toggle-cloudflare-tunnel').innerHTML == "Start") {
+       command = "start"
+    }
+    showToast(`Cloudflare tunnel ${command} initiated. Please wait.`)
+
+    let res = await fetch("/tunnel/cloudflare/"+command, {
+        method: "POST",
+        headers: {
+            "Content-Type": "application/json",
+        },
+        body: JSON.stringify({}),
+    })
+    res = await res.json()
+
+    console.log(`Cloudflare tunnel ${command} result:`, res)
+})
+
 /* Pause function */
 document.querySelectorAll(".tab").forEach(linkTabContents)
 

ui/media/js/parameters.js

@@ -11,6 +11,12 @@ var ParameterType = {
     custom: "custom",
 }
 
+/**
+ * Element shortcuts
+ */
+let parametersTable = document.querySelector("#system-settings-table")
+let networkParametersTable = document.querySelector("#system-settings-network-table")
+
 /**
  * JSDoc style
  * @typedef {object} Parameter
@@ -186,6 +192,7 @@ var PARAMETERS = [
         icon: "fa-network-wired",
         default: true,
         saveInAppConfig: true,
+        table: networkParametersTable,
     },
     {
         id: "listen_port",
@@ -198,6 +205,7 @@ var PARAMETERS = [
             return `<input id="${parameter.id}" name="${parameter.id}" size="6" value="9000" onkeypress="preventNonNumericalInput(event)">`
         },
         saveInAppConfig: true,
+        table: networkParametersTable,
     },
     {
         id: "use_beta_channel",
@@ -218,6 +226,21 @@ var PARAMETERS = [
         default: false,
         saveInAppConfig: true,
     },
+    {
+        id: "cloudflare",
+        type: ParameterType.custom,
+        label: "Cloudflare tunnel",
+        note: `<span id="cloudflare-off">Create a VPN tunnel to share your Easy Diffusion instance with your friends. This will
+               generate a web server address on the public Internet for your Easy Diffusion instance. </span>
+               <div id="cloudflare-on" class="displayNone"><div>This Easy Diffusion server is available on the Internet using the
+               address:</div><div id="cloudflare-address"></div></div>
+               <b>Anyone knowing this address can access your server.</b> The address of your server will change each time
+               you share a session.<br>
+               Uses <a href="https://try.cloudflare.com/" target="_blank">Cloudflare services</a>.`,
+        icon: ["fa-brands", "fa-cloudflare"],
+        render: () => '<button id="toggle-cloudflare-tunnel" class="primaryButton">Start</button>',
+        table: networkParametersTable,
+    }
 ]
 
 function getParameterSettingsEntry(id) {
@@ -266,7 +289,6 @@ function getParameterElement(parameter) {
     }
 }
 
-let parametersTable = document.querySelector("#system-settings .parameters-table")
 /**
  * fill in the system settings popup table
  * @param {Array<Parameter> | undefined} parameters
@@ -293,7 +315,10 @@ function initParameters(parameters) {
             noteElements.push(noteElement)
         }
 
-        const icon = parameter.icon ? [createElement("i", undefined, ["fa", parameter.icon])] : []
+        if (typeof(parameter.icon) == "string") {
+            parameter.icon = [parameter.icon]
+        }
+        const icon = parameter.icon ? [createElement("i", undefined, ["fa", ...parameter.icon])] : []
 
         const label = typeof parameter.label === "function" ? parameter.label(parameter) : parameter.label
         const labelElement = createElement("label", { for: parameter.id })
@@ -313,7 +338,13 @@ function initParameters(parameters) {
                 elementWrapper,
             ]
         )
-        parametersTable.appendChild(newrow)
+
+        let p = parametersTable
+        if (parameter.table) {
+            p = parameter.table
+        } 
+        p.appendChild(newrow)
+
         parameter.settingsEntry = newrow
     })
 }
@@ -665,8 +696,17 @@ saveSettingsBtn.addEventListener("click", function() {
     })
 
     const savePromise = changeAppConfig(updateAppConfigRequest)
+    showToast("Settings saved")
     saveSettingsBtn.classList.add("active")
     Promise.all([savePromise, asyncDelay(300)]).then(() => saveSettingsBtn.classList.remove("active"))
 })
 
+listenToNetworkField.addEventListener("change", debounce( ()=>{
+    saveSettingsBtn.click()
+}, 1000))
+
+listenPortField.addEventListener("change", debounce( ()=>{
+    saveSettingsBtn.click()
+}, 1000))
+
 document.addEventListener("system_info_update", (e) => setDeviceInfo(e.detail))