Client: Simplify mobile redirect logic to separate file

1 files changed, 23 insertions, 0 deletions

diff --git a/client/redirect.go b/client/redirect.go
new file mode 100644
index 0000000..1a06ed6
--- /dev/null
+++ b/client/redirect.go
@@ -0,0 +1,23 @@
+package client
+
+// customRedirects supplies redirect values that should be handled by the app itself
+// here we hardcode the redirect values that we should use in the OAuth requests
+// these values were taken from https://git.sr.ht/~fkooman/vpn-user-portal/tree/v3/item/src/OAuth/VpnClientDb.php
+var customRedirects = map[string]string{
+	"org.letsconnect-vpn.app.ios": "org.letsconnect-vpn.app.ios:/api/callback",
+	"org.letsconnect-vpn.app.android": "org.letsconnect-vpn.app:/api/callback",
+	"org.eduvpn.app.ios": "org.eduvpn.app.ios:/api/callback",
+	"org.eduvpn.app.android": "org.eduvpn.app:/api/callback",
+}
+
+// CustomRedirect returns the custom redirect string for a clientID `cid`
+// Empty string if none is defined or one is defined but is empty.
+// In both empty string cases, eduvpn-common handles the redirects as 127.0.0.1 local server redirects
+// If a non-empty string is returned, the redirect should be handled by the client and we only use the redirect URI value in our OAuth requests
+func CustomRedirect(cid string) string {
+	v, ok := customRedirects[cid]
+	if !ok {
+		return ""
+	}
+	return v
+}