From 6253fe8004c6add3d0851dade9b2cc3a3c43ff73 Mon Sep 17 00:00:00 2001
From: Alec Murphy <alec@checksum.fail>
Date: Fri, 10 Oct 2025 11:40:00 -0400
Subject: [PATCH] Applications/Internet/Cyberia: Initial support for cookies

---
 Applications/Internet/Cyberia.app/Cyberia.HC | 135 ++++++++++++++++++-
 1 file changed, 134 insertions(+), 1 deletion(-)

diff --git a/Applications/Internet/Cyberia.app/Cyberia.HC b/Applications/Internet/Cyberia.app/Cyberia.HC
index 545ca29..7b2bd02 100644
--- a/Applications/Internet/Cyberia.app/Cyberia.HC
+++ b/Applications/Internet/Cyberia.app/Cyberia.HC
@@ -469,6 +469,116 @@ U0 @cyberia_msgbox_error_wrapper(U8* msg)
     }
 }
 
+U0 @cyberia_get_key_value(U8* s, U64* key_ptr, U64* value_ptr)
+{
+    I64 i;
+    I64 len = StrLen(s);
+    for (i = 0; i < len; i++) {
+        if (!(*key_ptr)) {
+            switch (s[i]) {
+            case ' ':
+            case '\t':
+            case '\r':
+            case '\n':
+                break;
+            default:
+                *key_ptr = s + i;
+                break;
+            }
+        } else {
+            switch (s[i]) {
+            case '=':
+                s[i] = NULL;
+                *value_ptr = s + i + 1;
+                return;
+            default:
+                break;
+            }
+        }
+    }
+}
+
+U0 @cyberia_set_cookie_baked(U8* domain, U8* key, U8* value)
+{
+    if (!cyberia->o("cookies")->@(domain)) {
+        cyberia->o("cookies")->set(domain, Json.CreateObject(erythros_mem_task), JSON_OBJECT);
+    }
+    cyberia->o("cookies")->o(domain)->set(key, value, JSON_STRING);
+}
+
+U0 @cyberia_set_cookie_raw(@browser* browser, U8* s)
+{
+    // - Parse key=value pairs from value
+    // by default, Set-Cookie or Clear-Site-Data effects domain.tld as well as ...*.*.*.*.domain.tld
+
+    if (!browser || !s || !StrLen(s)) {
+        return;
+    }
+
+    U8* domain = browser->renderer->current_url->host;
+
+    //  A user agent MUST use an algorithm equivalent to the following algorithm to parse a set-cookie-string:
+
+    //  If the set-cookie-string contains a %x00-08 / %x0A-1F / %x7F character (CTL characters excluding HTAB):
+    //  Abort this algorithm and ignore the set-cookie-string entirely.
+
+    I64 i;
+    I64 len = StrLen(s);
+    for (i = 0; i < len; i++) {
+        switch (s[i]) {
+        case 0x00...0x08:
+        case 0x0a...0x1f:
+        case 0x7f:
+            return;
+        default:
+            break;
+        }
+    }
+
+    // FIXME: For now, we are going to ignore unparsed-attributes, and match against domain.tld
+    U8* t = StrFind(";", s);
+    if (t) {
+        *t = NULL;
+    }
+
+    U64 key = NULL;
+    U64 value = NULL;
+
+    @cyberia_get_key_value(s, &key, &value);
+
+    if (domain && key && value) {
+        @cyberia_set_cookie_baked(domain, key, value);
+    }
+}
+
+U0 @cyberia_set_cookies(@browser* browser, @http_response* resp)
+{
+    if (!browser || !resp || !browser->renderer || !resp->headers) {
+        return;
+    }
+
+    I64 i = 0;
+    U8* value = NULL;
+    JsonArray* a = NULL;
+    JsonKey* keys = resp->headers->keys;
+    while (keys) {
+        if (!StrICmp(keys->name, "set-cookie")) {
+            switch (keys->type) {
+            case JSON_ARRAY:
+                a = keys->value;
+                for (i = 0; i < a->length; i++) {
+                    @cyberia_set_cookie_raw(browser, a->@(i));
+                }
+                break;
+            default:
+                @cyberia_set_cookie_raw(browser, keys->value);
+                break;
+            }
+        }
+        keys = keys->next;
+    }
+}
+
 U0 @cyberia_navigate(Bool refresh = FALSE)
 {
     win->focused_widget = NULL;
@@ -546,6 +656,10 @@ U0 @cyberia_navigate(Bool refresh = FALSE)
     MemSet(buffer, 0, HTTP_FETCH_BUFFER_SIZE);
 
     @http_response* resp = NULL;
+    JsonObject* headers = NULL;
+    U8* domain = renderer->current_url->host;
+    JsonKey* cookie_keys = NULL;
+    U8 cookie_buf[2048];
 
     if (!StrCmp(&addressbar1->text, "about:newtab")) {
         resp = CAlloc(sizeof(@http_response));
@@ -556,7 +670,26 @@ U0 @cyberia_navigate(Bool refresh = FALSE)
         StrCpy(&addressbar1->text, "");
         win->focused_widget = addressbar1;
     } else {
-        resp = Http.Get(renderer->current_url, buffer);
+        if (cyberia->o("cookies")->@(domain)) {
+            headers = Json.CreateObject(browser_task);
+            cookie_keys = cyberia->o("cookies")->o(domain)->keys;
+            StrCpy(cookie_buf, "");
+            while (cookie_keys) {
+                StrPrint(cookie_buf + StrLen(cookie_buf), "%s=%s", cookie_keys->name, cookie_keys->value);
+                if (cookie_keys->next) {
+                    StrCpy(cookie_buf + StrLen(cookie_buf), "; ");
+                }
+                cookie_keys = cookie_keys->next;
+            }
+            headers->set("Cookie", cookie_buf, JSON_STRING);
+        }
+        if (renderer->form_data_str) {
+            resp = Http.Post(renderer->current_url, buffer, renderer->form_data_str, headers);
+            // FIXME: form_data_str should be freed
+            renderer->form_data_str = NULL;
+        } else {
+            resp = Http.Get(renderer->current_url, buffer, NULL, headers);
+        }
     }
 
     while (resp->state != HTTP_STATE_DONE) {