chore: import upstream snapshot with attribution

2026-07-13 12:22:33 +08:00
commit fc4fcbab58
1848 changed files with 472303 additions and 0 deletions
@@ -0,0 +1,38 @@
+import Foundation
+
+public enum PerplexitySettingsReader {
+    public static func sessionCookieOverride(
+        environment: [String: String] = ProcessInfo.processInfo.environment) -> PerplexityCookieOverride?
+    {
+        let raw = environment["PERPLEXITY_SESSION_TOKEN"]
+            ?? environment["perplexity_session_token"]
+        if let token = self.cleaned(raw) { return PerplexityCookieHeader.override(from: token) }
+
+        // PERPLEXITY_COOKIE may be a full Cookie header string; preserve the matching session cookie name.
+        if let cookieRaw = environment["PERPLEXITY_COOKIE"] {
+            return PerplexityCookieHeader.override(from: self.cleaned(cookieRaw))
+        }
+        return nil
+    }
+
+    public static func sessionToken(
+        environment: [String: String] = ProcessInfo.processInfo.environment) -> String?
+    {
+        self.sessionCookieOverride(environment: environment)?.token
+    }
+
+    private static func cleaned(_ raw: String?) -> String? {
+        guard var value = raw?.trimmingCharacters(in: .whitespacesAndNewlines), !value.isEmpty else {
+            return nil
+        }
+
+        if (value.hasPrefix("\"") && value.hasSuffix("\"")) ||
+            (value.hasPrefix("'") && value.hasSuffix("'"))
+        {
+            value = String(value.dropFirst().dropLast())
+        }
+
+        value = value.trimmingCharacters(in: .whitespacesAndNewlines)
+        return value.isEmpty ? nil : value
+    }
+}