snapshot of https://github.com/mattermost/mattermost.git (master, 2026-09-16; blobs > 131072B omitted)

server/channels/web/unsupported_browser.go

@@ -0,0 +1,159 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See LICENSE.txt for license information.
+
+package web
+
+import (
+	"net/http"
+
+	"github.com/avct/uasurfer"
+
+	"github.com/mattermost/mattermost/server/public/shared/request"
+	"github.com/mattermost/mattermost/server/v8/platform/shared/templates"
+)
+
+// MattermostApp describes downloads for the Mattermost App
+type MattermostApp struct {
+	LogoSrc                string
+	Title                  string
+	SupportedVersionString string
+	Label                  string
+	Link                   string
+	InstallGuide           string
+	InstallGuideLink       string
+}
+
+// Browser describes a browser with a download link
+type Browser struct {
+	LogoSrc                string
+	Title                  string
+	SupportedVersionString string
+	Src                    string
+	GetLatestString        string
+}
+
+// SystemBrowser describes a browser but includes 2 links: one to open the local browser, and one to make it default
+type SystemBrowser struct {
+	LogoSrc                string
+	Title                  string
+	SupportedVersionString string
+	LabelOpen              string
+	LinkOpen               string
+	LinkMakeDefault        string
+	OrString               string
+	MakeDefaultString      string
+}
+
+func renderUnsupportedBrowser(rctx request.CTX, r *http.Request, subpath string) templates.Data {
+	data := templates.Data{
+		Props: map[string]any{
+			"Subpath":                           ensureTrailingSlash(subpath),
+			"DownloadAppOrUpgradeBrowserString": rctx.T("web.error.unsupported_browser.download_app_or_upgrade_browser"),
+			"LearnMoreString":                   rctx.T("web.error.unsupported_browser.learn_more"),
+		},
+	}
+
+	// User Agent info
+	ua := uasurfer.Parse(r.UserAgent())
+	isWindows := ua.OS.Platform.String() == "PlatformWindows"
+	isWindows10 := isWindows && ua.OS.Version.Major == 10
+	isMacOSX := ua.OS.Name.String() == "OSMacOSX" && ua.OS.Version.Major == 10
+	isSafari := ua.Browser.Name.String() == "BrowserSafari"
+
+	// Basic heading translations
+	if isSafari {
+		data.Props["NoLongerSupportString"] = rctx.T("web.error.unsupported_browser.no_longer_support_version")
+	} else {
+		data.Props["NoLongerSupportString"] = rctx.T("web.error.unsupported_browser.no_longer_support")
+	}
+
+	// Mattermost app version
+	if isWindows {
+		data.Props["App"] = renderMattermostAppWindows(rctx)
+	} else if isMacOSX {
+		data.Props["App"] = renderMattermostAppMac(rctx)
+	}
+
+	// Browsers to download
+	// Show a link to Safari if you're using safari and it's outdated
+	// Can't show on Mac all the time because there's no way to open it via URI
+	browsers := []Browser{renderBrowserChrome(rctx), renderBrowserFirefox(rctx)}
+	if isSafari {
+		browsers = append(browsers, renderBrowserSafari(rctx))
+	}
+	data.Props["Browsers"] = browsers
+
+	// If on Windows 10, show link to Edge
+	if isWindows10 {
+		data.Props["SystemBrowser"] = renderSystemBrowserEdge(rctx, r)
+	}
+
+	return data
+}
+
+func renderMattermostAppMac(rctx request.CTX) MattermostApp {
+	return MattermostApp{
+		"mac.png",
+		rctx.T("web.error.unsupported_browser.download_the_app"),
+		rctx.T("web.error.unsupported_browser.min_os_version.mac"),
+		rctx.T("web.error.unsupported_browser.download"),
+		"https://mattermost.com/pl/download-apps",
+		rctx.T("web.error.unsupported_browser.install_guide.mac"),
+		"https://docs.mattermost.com/install/desktop.html#mac-os-x-10-9",
+	}
+}
+
+func renderMattermostAppWindows(rctx request.CTX) MattermostApp {
+	return MattermostApp{
+		"windows.svg",
+		rctx.T("web.error.unsupported_browser.download_the_app"),
+		rctx.T("web.error.unsupported_browser.min_os_version.windows"),
+		rctx.T("web.error.unsupported_browser.download"),
+		"https://mattermost.com/pl/download-apps",
+		rctx.T("web.error.unsupported_browser.install_guide.windows"),
+		"https://docs.mattermost.com/install/desktop.html#windows-10-windows-8-1-windows-7",
+	}
+}
+
+func renderBrowserChrome(rctx request.CTX) Browser {
+	return Browser{
+		"chrome.svg",
+		rctx.T("web.error.unsupported_browser.browser_title.chrome"),
+		rctx.T("web.error.unsupported_browser.min_browser_version.chrome"),
+		"http://www.google.com/chrome",
+		rctx.T("web.error.unsupported_browser.browser_get_latest.chrome"),
+	}
+}
+
+func renderBrowserFirefox(rctx request.CTX) Browser {
+	return Browser{
+		"firefox.svg",
+		rctx.T("web.error.unsupported_browser.browser_title.firefox"),
+		rctx.T("web.error.unsupported_browser.min_browser_version.firefox"),
+		"https://www.mozilla.org/firefox/new/",
+		rctx.T("web.error.unsupported_browser.browser_get_latest.firefox"),
+	}
+}
+
+func renderBrowserSafari(rctx request.CTX) Browser {
+	return Browser{
+		"safari.svg",
+		rctx.T("web.error.unsupported_browser.browser_title.safari"),
+		rctx.T("web.error.unsupported_browser.min_browser_version.safari"),
+		"macappstore://showUpdatesPage",
+		rctx.T("web.error.unsupported_browser.browser_get_latest.safari"),
+	}
+}
+
+func renderSystemBrowserEdge(rctx request.CTX, r *http.Request) SystemBrowser {
+	return SystemBrowser{
+		"edge.svg",
+		rctx.T("web.error.unsupported_browser.browser_title.edge"),
+		rctx.T("web.error.unsupported_browser.min_browser_version.edge"),
+		rctx.T("web.error.unsupported_browser.open_system_browser.edge"),
+		"microsoft-edge:http://" + r.Host + r.RequestURI, //TODO: Can we get HTTP or HTTPS? If someone's server doesn't have a redirect this won't work
+		"ms-settings:defaultapps",
+		rctx.T("web.error.unsupported_browser.system_browser_or"),
+		rctx.T("web.error.unsupported_browser.system_browser_make_default"),
+	}
+}