coder · BrunoQuaresma · Sep 26, 2022 · Sep 23, 2022 · Sep 23, 2022 · Sep 23, 2022
diff --git a/docs/admin/configure.md b/docs/admin/configure.md
@@ -14,6 +14,15 @@ should not be localhost.
 
 > Access URL should be a external IP address or domain with DNS records pointing to Coder.
 
+## Wildcard access URL
+
+`CODER_WILDCARD_ACCESS_URL` is necessary for [port forwarding](../networking/port-forwarding.md#dashboard)
+via the dashboard or running [coder_apps](../templates.md#coder-apps) on an absolute path. Set this to a wildcard
+subdomain that resolves to Coder (e.g. `*.coder.example.com`).
+
+> If you are providing TLS certificates directly to the Coder server, you must use a single certificate for the
+> root and wildcard domains. Multi-certificate support [is planned](https://github.com/coder/coder/pull/4150).
+
 ## PostgreSQL Database
 
 Coder uses a PostgreSQL database to store users, workspace metadata, and other deployment information.

diff --git a/docs/images/port-forward-dashboard.png b/docs/images/port-forward-dashboard.png
diff --git a/docs/manifest.json b/docs/manifest.json
@@ -1,5 +1,9 @@
 {
-  "versions": ["main", "v0.8.1", "v0.7.12"],
+  "versions": [
+    "main",
+    "v0.8.1",
+    "v0.7.12"
+  ],
   "routes": [
     {
       "title": "About",

diff --git a/docs/networking/port-forwarding.md b/docs/networking/port-forwarding.md
@@ -4,9 +4,10 @@ Port forwarding lets developers securely access processes on their Coder
 workspace from a local machine. A common use case is testing web
 applications in a browser.
 
-There are two ways to forward ports in Coder:
+There are three ways to forward ports in Coder:
 
 - The `coder port-forward` command
+- Dashboard
 - SSH
 
 The `coder port-forward` command is generally more performant.
@@ -21,6 +22,16 @@ coder port-forward myworkspace --tcp 8000:8080
 
 For more examples, see `coder port-forward --help`.
 
+## Dashboard
+
+> To enable port forwarding via the dashboard, Coder must be configured with a
+> [wildcard access URL](./admin/configure#wildcard-access-url).
+
+Use the "Port forward" button in the dashboard to access ports
+running on your workspace.
+
+![Port forwarding in the UI](../images/port-forward-dashboard.png)
+
 ## SSH
 
 First, [configure SSH](../ides.md#ssh-configuration) on your

diff --git a/site/src/api/api.ts b/site/src/api/api.ts
@@ -494,3 +494,8 @@ export const getTemplateDAUs = async (
   const response = await axios.get(`/api/v2/templates/${templateId}/daus`)
   return response.data
 }
+
+export const getApplicationsHost = async (): Promise<TypesGen.GetAppHostResponse> => {
+  const response = await axios.get(`/api/v2/applications/host`)
+  return response.data
+}
diff --git a/site/src/components/PortForwardButton/PortForwardButton.tsx b/site/src/components/PortForwardButton/PortForwardButton.tsx
@@ -0,0 +1,155 @@
+import Button from "@material-ui/core/Button"
+import Link from "@material-ui/core/Link"
+import Popover from "@material-ui/core/Popover"
+import { makeStyles } from "@material-ui/core/styles"
+import TextField from "@material-ui/core/TextField"
+import OpenInNewOutlined from "@material-ui/icons/OpenInNewOutlined"
+import { ChooseOne, Cond } from "components/Conditionals/ChooseOne"
+import { Stack } from "components/Stack/Stack"
+import { useRef, useState } from "react"
+import { colors } from "theme/colors"
+import { CodeExample } from "../CodeExample/CodeExample"
+import { HelpTooltipLink, HelpTooltipLinksGroup, HelpTooltipText } from "../Tooltips/HelpTooltip"
+
+export interface PortForwardButtonProps {
+  host: string
+  username: string
+  workspaceName: string
+  agentName: string
+}
+
+const EnabledView: React.FC<PortForwardButtonProps> = (props) => {
+  const { host, workspaceName, agentName, username } = props
+  const styles = useStyles()
+  const [port, setPort] = useState("3000")
+  const { location } = window
+  const urlExample = `${location.protocol}//${port}--${agentName}--${workspaceName}--${username}.${host}`
+
+  return (
+    <Stack direction="column" spacing={1}>
+      <HelpTooltipText>
+        Access ports running on the agent with the <strong>port, agent name, workspace name</strong>{" "}
+        and <strong>your username</strong> URL schema, as shown below.
+      </HelpTooltipText>
+
+      <CodeExample code={urlExample} />
+
+      <HelpTooltipText>Use the form to open applications in a new tab.</HelpTooltipText>
+
+      <Stack direction="row" spacing={1} alignItems="center">
+        <TextField
+          label="Port"
+          type="number"
+          value={port}
+          className={styles.portField}
+          onChange={(e) => {
+            setPort(e.currentTarget.value)
+          }}
+        />
+        <Link
+          underline="none"
+          href={urlExample}
+          target="_blank"
+          rel="noreferrer"
+          className={styles.openUrlButton}
+        >
+          <Button>Open URL</Button>
+        </Link>
+      </Stack>
+
+      <HelpTooltipLinksGroup>
+        <HelpTooltipLink href="https://coder.com/docs/coder-oss/latest/networking/port-forward#dashboard">
+          Learn more about port forward
+        </HelpTooltipLink>
+      </HelpTooltipLinksGroup>
+    </Stack>
+  )
+}
+
+const DisabledView: React.FC<PortForwardButtonProps> = () => {
+  return (
+    <Stack direction="column" spacing={1}>
+      <HelpTooltipText>
+        <strong>Your deployment does not have port forward enabled.</strong> See the docs for more
+        details.
+      </HelpTooltipText>
+
+      <HelpTooltipLinksGroup>
+        <HelpTooltipLink href="https://coder.com/docs/coder-oss/latest/networking/port-forwarding#dashboard">
+          Learn more about port forward
+        </HelpTooltipLink>
+      </HelpTooltipLinksGroup>
+    </Stack>
+  )
+}
+
+export const PortForwardButton: React.FC<PortForwardButtonProps> = (props) => {
+  const { host } = props
+  const anchorRef = useRef<HTMLButtonElement>(null)
+  const [isOpen, setIsOpen] = useState(false)
+  const id = isOpen ? "schedule-popover" : undefined
+  const styles = useStyles()
+
+  const onClose = () => {
+    setIsOpen(false)
+  }
+
+  return (
+    <>
+      <Button
+        startIcon={<OpenInNewOutlined />}
+        size="small"
+        ref={anchorRef}
+        onClick={() => {
+          setIsOpen(true)
+        }}
+      >
+        Port forward
+      </Button>
+      <Popover
+        classes={{ paper: styles.popoverPaper }}
+        id={id}
+        open={isOpen}
+        anchorEl={anchorRef.current}
+        onClose={onClose}
+        anchorOrigin={{
+          vertical: "bottom",
+          horizontal: "left",
+        }}
+        transformOrigin={{
+          vertical: "top",
+          horizontal: "left",
+        }}
+      >
+        <ChooseOne>
+          <Cond condition={host !== ""}>
+            <EnabledView {...props} />
+          </Cond>
+          <Cond condition={host === ""}>
+            <DisabledView {...props} />
+          </Cond>
+        </ChooseOne>
+      </Popover>
+    </>
+  )
+}
+
+const useStyles = makeStyles((theme) => ({
+  popoverPaper: {
+    padding: `${theme.spacing(2.5)}px ${theme.spacing(3.5)}px ${theme.spacing(3.5)}px`,
+    width: theme.spacing(46),
+    color: theme.palette.text.secondary,
+    marginTop: theme.spacing(0.25),
+  },
+
+  openUrlButton: {
+    flexShrink: 0,
+  },
+
+  portField: {
+    // The default border don't contrast well with the popover
+    "& .MuiOutlinedInput-root .MuiOutlinedInput-notchedOutline": {
+      borderColor: colors.gray[10],
+    },
+  },
+}))
diff --git a/site/src/components/Resources/Resources.tsx b/site/src/components/Resources/Resources.tsx
@@ -10,6 +10,7 @@ import { Skeleton } from "@material-ui/lab"
 import useTheme from "@material-ui/styles/useTheme"
 import { CloseDropdown, OpenDropdown } from "components/DropdownArrows/DropdownArrows"
 import { ErrorSummary } from "components/ErrorSummary/ErrorSummary"
+import { PortForwardButton } from "components/PortForwardButton/PortForwardButton"
 import { TableCellDataPrimary } from "components/TableCellData/TableCellData"
 import { FC, useState } from "react"
 import { getDisplayAgentStatus, getDisplayVersionStatus } from "util/workspace"
@@ -42,6 +43,7 @@ interface ResourcesProps {
   canUpdateWorkspace: boolean
   buildInfo?: BuildInfoResponse | undefined
   hideSSHButton?: boolean
+  applicationsHost?: string
 }
 
 export const Resources: FC<React.PropsWithChildren<ResourcesProps>> = ({
@@ -51,6 +53,7 @@ export const Resources: FC<React.PropsWithChildren<ResourcesProps>> = ({
   canUpdateWorkspace,
   buildInfo,
   hideSSHButton,
+  applicationsHost,
 }) => {
   const styles = useStyles()
   const theme: Theme = useTheme()
@@ -151,6 +154,14 @@ export const Resources: FC<React.PropsWithChildren<ResourcesProps>> = ({
                           <div className={styles.accessLinks}>
                             {canUpdateWorkspace && agent.status === "connected" && (
                               <>
+                                {applicationsHost !== undefined && (
+                                  <PortForwardButton
+                                    host={applicationsHost}
+                                    workspaceName={workspace.name}
+                                    agentName={agent.name}
+                                    username={workspace.owner_name}
+                                  />
+                                )}
                                 {!hideSSHButton && (
                                   <SSHButton
                                     workspaceName={workspace.name}

diff --git a/site/src/components/Workspace/Workspace.tsx b/site/src/components/Workspace/Workspace.tsx
@@ -46,6 +46,7 @@ export interface WorkspaceProps {
   hideSSHButton?: boolean
   workspaceErrors: Partial<Record<WorkspaceErrors, Error | unknown>>
   buildInfo?: TypesGen.BuildInfoResponse
+  applicationsHost?: string
 }
 
 /**
@@ -66,6 +67,7 @@ export const Workspace: FC<React.PropsWithChildren<WorkspaceProps>> = ({
   workspaceErrors,
   hideSSHButton,
   buildInfo,
+  applicationsHost,
 }) => {
   const styles = useStyles()
   const navigate = useNavigate()
@@ -140,6 +142,7 @@ export const Workspace: FC<React.PropsWithChildren<WorkspaceProps>> = ({
             canUpdateWorkspace={canUpdateWorkspace}
             buildInfo={buildInfo}
             hideSSHButton={hideSSHButton}
+            applicationsHost={applicationsHost}
           />
         )}
 

diff --git a/site/src/pages/WorkspacePage/WorkspacePage.tsx b/site/src/pages/WorkspacePage/WorkspacePage.tsx
@@ -29,7 +29,6 @@ export const WorkspacePage: FC = () => {
   const { t } = useTranslation("workspacePage")
   const xServices = useContext(XServiceContext)
   const featureVisibility = useSelector(xServices.entitlementsXService, selectFeatureVisibility)
-
   const [workspaceState, workspaceSend] = useMachine(workspaceMachine)
   const {
     workspace,
@@ -43,13 +42,11 @@ export const WorkspacePage: FC = () => {
     checkPermissionsError,
     buildError,
     cancellationError,
+    applicationsHost,
   } = workspaceState.context
-
   const canUpdateWorkspace = Boolean(permissions?.updateWorkspace)
-
   const [bannerState, bannerSend] = useMachine(workspaceScheduleBannerMachine)
   const [buildInfoState] = useActor(xServices.buildInfoXService)
-
   const styles = useStyles()
 
   /**
@@ -133,6 +130,7 @@ export const WorkspacePage: FC = () => {
             [WorkspaceErrors.CANCELLATION_ERROR]: cancellationError,
           }}
           buildInfo={buildInfoState.context.buildInfo}
+          applicationsHost={applicationsHost}
         />
         <DeleteDialog
           entity="workspace"

diff --git a/site/src/testHelpers/handlers.ts b/site/src/testHelpers/handlers.ts
@@ -168,4 +168,9 @@ export const handlers = [
   rest.get("/api/v2/audit/count", (req, res, ctx) => {
     return res(ctx.status(200), ctx.json({ count: 1000 }))
   }),
+
+  // Applications host
+  rest.get("/api/v2/applications/host", (req, res, ctx) => {
+    return res(ctx.status(200), ctx.json({ host: "dev.coder.com" }))
+  }),
 ]