From ec621bf55aefda6649ce49d7ece6065ab2c54368 Mon Sep 17 00:00:00 2001
From: Mohamed Bassem <me@mbassem.com>
Date: Sat, 8 Nov 2025 18:04:46 +0000
Subject: feat(mobile): add custom headers configuration in sign-in screen
 (#2103)

* feat(mobile): add custom headers configuration in sign-in screen

Add ability for mobile app users to configure custom HTTP headers that are
sent with every API request. This enables users to add authentication headers,
proxy headers, or other custom headers required by their server setup.

Changes:
- Add customHeaders field to mobile app settings schema
- Create CustomHeadersModal component for managing headers
- Update sign-in screen with link to configure custom headers
- Modify tRPC provider to merge custom headers with Authorization header

The custom headers are stored securely in the app settings and persist
across sessions.

* fix keyboard

* add custom headers to other callsites

---------

Co-authored-by: Claude <noreply@anthropic.com>
---
 apps/mobile/components/CustomHeadersModal.tsx | 200 ++++++++++++++++++++++++++
 1 file changed, 200 insertions(+)
 create mode 100644 apps/mobile/components/CustomHeadersModal.tsx

(limited to 'apps/mobile/components/CustomHeadersModal.tsx')

diff --git a/apps/mobile/components/CustomHeadersModal.tsx b/apps/mobile/components/CustomHeadersModal.tsx
new file mode 100644
index 00000000..6d022eb8
--- /dev/null
+++ b/apps/mobile/components/CustomHeadersModal.tsx
@@ -0,0 +1,200 @@
+import { useState } from "react";
+import { Modal, Pressable, ScrollView, View } from "react-native";
+import { KeyboardAwareScrollView } from "react-native-keyboard-controller";
+import { Plus, Trash2, X } from "lucide-react-native";
+import { useColorScheme } from "nativewind";
+
+import { Button } from "./ui/Button";
+import { Input } from "./ui/Input";
+import { Text } from "./ui/Text";
+
+interface CustomHeadersModalProps {
+  visible: boolean;
+  customHeaders: Record<string, string>;
+  onClose: () => void;
+  onSave: (headers: Record<string, string>) => void;
+}
+
+export function CustomHeadersModal({
+  visible,
+  customHeaders,
+  onClose,
+  onSave,
+}: CustomHeadersModalProps) {
+  const { colorScheme } = useColorScheme();
+  const iconColor = colorScheme === "dark" ? "#d1d5db" : "#374151";
+
+  // Convert headers object to array of entries for easier manipulation
+  const [headers, setHeaders] = useState<{ key: string; value: string }[]>(
+    Object.entries(customHeaders).map(([key, value]) => ({ key, value })),
+  );
+  const [newHeaderKey, setNewHeaderKey] = useState("");
+  const [newHeaderValue, setNewHeaderValue] = useState("");
+
+  const handleAddHeader = () => {
+    if (!newHeaderKey.trim() || !newHeaderValue.trim()) {
+      return;
+    }
+
+    // Check if header already exists
+    const existingIndex = headers.findIndex((h) => h.key === newHeaderKey);
+    if (existingIndex >= 0) {
+      // Update existing header
+      const updatedHeaders = [...headers];
+      updatedHeaders[existingIndex].value = newHeaderValue;
+      setHeaders(updatedHeaders);
+    } else {
+      // Add new header
+      setHeaders([...headers, { key: newHeaderKey, value: newHeaderValue }]);
+    }
+
+    setNewHeaderKey("");
+    setNewHeaderValue("");
+  };
+
+  const handleRemoveHeader = (index: number) => {
+    setHeaders(headers.filter((_, i) => i !== index));
+  };
+
+  const handleSave = () => {
+    // Convert array back to object
+    const headersObject = headers.reduce(
+      (acc, { key, value }) => {
+        if (key.trim() && value.trim()) {
+          acc[key] = value;
+        }
+        return acc;
+      },
+      {} as Record<string, string>,
+    );
+
+    onSave(headersObject);
+    onClose();
+  };
+
+  const handleCancel = () => {
+    // Reset to original headers
+    setHeaders(
+      Object.entries(customHeaders).map(([key, value]) => ({ key, value })),
+    );
+    setNewHeaderKey("");
+    setNewHeaderValue("");
+    onClose();
+  };
+
+  return (
+    <Modal
+      visible={visible}
+      transparent
+      animationType="slide"
+      onRequestClose={handleCancel}
+    >
+      <View className="flex-1 justify-end">
+        <Pressable
+          className="absolute inset-0 bg-black/50"
+          onPress={handleCancel}
+        />
+        <View className="max-h-[85%] rounded-t-3xl bg-card">
+          <KeyboardAwareScrollView
+            contentContainerClassName="p-6"
+            bottomOffset={20}
+            keyboardShouldPersistTaps="handled"
+          >
+            {/* Header */}
+            <View className="mb-4 flex flex-row items-center justify-between">
+              <Text className="text-lg font-semibold">Custom Headers</Text>
+              <Pressable onPress={handleCancel} className="p-2">
+                <X size={24} color={iconColor} />
+              </Pressable>
+            </View>
+
+            <Text className="mb-4 text-sm text-gray-600 dark:text-gray-400">
+              Add custom HTTP headers that will be sent with every API request.
+            </Text>
+
+            {/* Existing Headers List */}
+            <View className="mb-4 max-h-64">
+              {headers.length === 0 ? (
+                <Text className="py-4 text-center text-sm text-gray-500 dark:text-gray-400">
+                  No custom headers configured
+                </Text>
+              ) : (
+                <ScrollView>
+                  {headers.map((header, index) => (
+                    <View
+                      key={index}
+                      className="mb-2 flex-row items-center gap-2 rounded-lg border border-border bg-background p-3"
+                    >
+                      <View className="flex-1">
+                        <Text className="text-sm font-semibold">
+                          {header.key}
+                        </Text>
+                        <Text
+                          className="text-xs text-gray-600 dark:text-gray-400"
+                          numberOfLines={1}
+                        >
+                          {header.value}
+                        </Text>
+                      </View>
+                      <Pressable
+                        onPress={() => handleRemoveHeader(index)}
+                        className="p-2"
+                      >
+                        <Trash2 size={18} color="#ef4444" />
+                      </Pressable>
+                    </View>
+                  ))}
+                </ScrollView>
+              )}
+            </View>
+
+            {/* Add New Header */}
+            <View className="gap-2 border-t border-border pt-4">
+              <Text className="text-sm font-semibold">Add New Header</Text>
+              <Input
+                placeholder="Header Name (e.g., X-Custom-Header)"
+                value={newHeaderKey}
+                onChangeText={setNewHeaderKey}
+                autoCapitalize="none"
+                inputClasses="bg-background"
+              />
+              <Input
+                placeholder="Header Value"
+                value={newHeaderValue}
+                onChangeText={setNewHeaderValue}
+                autoCapitalize="none"
+                inputClasses="bg-background"
+              />
+              <Button
+                variant="secondary"
+                onPress={handleAddHeader}
+                disabled={!newHeaderKey.trim() || !newHeaderValue.trim()}
+              >
+                <Plus size={16} color={iconColor} />
+                <Text className="text-sm">Add Header</Text>
+              </Button>
+            </View>
+
+            {/* Action Buttons */}
+            <View className="mt-4 flex flex-row gap-2 border-t border-border pt-4">
+              <Button
+                variant="secondary"
+                onPress={handleCancel}
+                androidRootClassName="flex-1"
+              >
+                <Text>Cancel</Text>
+              </Button>
+              <Button
+                variant="primary"
+                onPress={handleSave}
+                androidRootClassName="flex-1"
+              >
+                <Text>Save</Text>
+              </Button>
+            </View>
+          </KeyboardAwareScrollView>
+        </View>
+      </View>
+    </Modal>
+  );
+}
-- 
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