1 files changed, 80 insertions, 0 deletions

diff --git a/g4f/Provider/selenium/Bard.py b/g4f/Provider/selenium/Bard.py
new file mode 100644
index 00000000..459f6f37
--- /dev/null
+++ b/g4f/Provider/selenium/Bard.py
@@ -0,0 +1,80 @@
+from __future__ import annotations
+
+import time
+import os
+
+try:
+    from selenium.webdriver.common.by import By
+    from selenium.webdriver.support.ui import WebDriverWait
+    from selenium.webdriver.support import expected_conditions as EC
+except ImportError:
+    pass
+
+from ...typing import CreateResult, Messages
+from ..base_provider import AbstractProvider
+from ..helper import format_prompt
+from ...webdriver import WebDriver, WebDriverSession, element_send_text
+
+
+class Bard(AbstractProvider):
+    url = "https://bard.google.com"
+    working = True
+    needs_auth = True
+    webdriver = True
+
+    @classmethod
+    def create_completion(
+        cls,
+        model: str,
+        messages: Messages,
+        stream: bool,
+        proxy: str = None,
+        webdriver: WebDriver = None,
+        user_data_dir: str = None,
+        headless: bool = True,
+        **kwargs
+    ) -> CreateResult:
+        prompt = format_prompt(messages)
+        session = WebDriverSession(webdriver, user_data_dir, headless, proxy=proxy)
+        with session as driver:
+            try:
+                driver.get(f"{cls.url}/chat")
+                wait = WebDriverWait(driver, 10 if headless else 240)
+                wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, "div.ql-editor.textarea")))
+            except:
+                # Reopen browser for login
+                if not webdriver:
+                    driver = session.reopen()
+                    driver.get(f"{cls.url}/chat")
+                    login_url = os.environ.get("G4F_LOGIN_URL")
+                    if login_url:
+                        yield f"Please login: [Google Bard]({login_url})\n\n"
+                    wait = WebDriverWait(driver, 240)
+                    wait.until(EC.visibility_of_element_located((By.CSS_SELECTOR, "div.ql-editor.textarea")))
+                else:
+                    raise RuntimeError("Prompt textarea not found. You may not be logged in.")
+
+            # Add hook in XMLHttpRequest
+            script = """
+const _http_request_open = XMLHttpRequest.prototype.open;
+window._message = "";
+XMLHttpRequest.prototype.open = function(method, url) {
+    if (url.includes("/assistant.lamda.BardFrontendService/StreamGenerate")) {
+        this.addEventListener("load", (event) => {
+            window._message = JSON.parse(JSON.parse(this.responseText.split("\\n")[3])[0][2])[4][0][1][0];
+        });
+    }
+    return _http_request_open.call(this, method, url);
+}
+"""
+            driver.execute_script(script)
+
+            element_send_text(driver.find_element(By.CSS_SELECTOR, "div.ql-editor.textarea"), prompt)
+            
+            while True:
+                chunk = driver.execute_script("return window._message;")
+                if chunk:
+                    yield chunk
+                    return
+                else:
+                    time.sleep(0.1)
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