identity: present cert instead of waiting for 60

bebop/browser/browser.py

@@ -17,7 +17,9 @@ from bebop.colors import ColorPair, init_colors
 from bebop.command_line import CommandLine
 from bebop.external import open_external_program
 from bebop.help import HELP_PAGE
+from bebop.fs import get_identities_list_path
 from bebop.history import History
+from bebop.identity import load_identities
 from bebop.links import Links
 from bebop.mime import MimeType
 from bebop.mouse import ButtonState
@@ -41,14 +43,15 @@ class Browser:
     - command_line: a CommandLine object for the user to interact with.
     - running: the browser will continue running while this is true.
     - status_data: 3-uple of status text, color pair and attributes of the
-      status line, used to reset status after an error.
+        status line, used to reset status after an error.
     - history: an History object.
-    - cache: a dict containing cached pages
+    - cache: a dict containing cached pages.
     - special_pages: a dict containing page names used with "bebop" scheme;
-      values are dicts as well: the "open" key maps to a callable to use when
-      the page is accessed, and the optional "source" key maps to callable
-      returning the page source path.
+        values are dicts as well: the "open" key maps to a callable to use when
+        the page is accessed, and the optional "source" key maps to callable
+        returning the page source path.
     - last_download: tuple of MimeType and path, or None.
+    - identities: identities map.
     """
 
     def __init__(self, config, cert_stash):
@@ -65,6 +68,7 @@ class Browser:
         self.cache = {}
         self.special_pages = self.setup_special_pages()
         self.last_download: Optional[Tuple[MimeType, Path]] = None
+        self.identities = load_identities(get_identities_list_path()) or {}
         self._current_url = ""
 
     @property

bebop/browser/gemini.py

@@ -26,7 +26,7 @@ def open_gemini_url(
     url: str,
     redirects: int =0,
     use_cache: bool =True,
-    identity=None
+    cert_and_key=None
 ) -> Optional[str]:
     """Open a Gemini URL and set the formatted response as content.
 
@@ -50,7 +50,7 @@ def open_gemini_url(
     - url: a valid URL with Gemini scheme to open.
     - redirects: current amount of redirections done to open the initial URL.
     - use_cache: if true, look up if the page is cached before requesting it.
-    - identity: if not None, a tuple of paths to a client cert/key to use.
+    - cert_and_key: if not None, a tuple of paths to a client cert/key to use.
 
     Returns:
     The final successfully handled URL on success, None otherwise. Redirected
@@ -64,13 +64,20 @@ def open_gemini_url(
     loading_message = f"{loading_message_verb} {url}…"
     browser.set_status(loading_message)
 
+    # If this URL used to request an identity, provide it.
+    if not cert_and_key:
+        url_identities = get_identities_for_url(browser.identities, url)
+        identity = select_identity(url_identities)
+        if identity:
+            cert_and_key = get_cert_and_key(identity["id"])
+
     if use_cache and url in browser.cache:
         browser.load_page(browser.cache[url])
         browser.current_url = url
         browser.set_status(url)
         return url
 
-    req = Request(url, browser.stash, identity=identity)
+    req = Request(url, browser.stash, identity=cert_and_key)
     connect_timeout = browser.config["connect_timeout"]
     connected = req.connect(connect_timeout)
     if not connected:
@@ -281,21 +288,20 @@ def _handle_cert_required(
     The result of `open_gemini_url` with the client certificate provided.
     """
     identities = load_identities(get_identities_list_path())
-    if isinstance(identities, str):
-        browser.set_status_error(f"Can't load identities: {identities}")
+    if not identities:
+        browser.set_status_error(f"Can't load identities.")
         return None
+    browser.identities = identities
 
-    url_identities = get_identities_for_url(identities, url)
+    url_identities = get_identities_for_url(browser.identities, url)
     if not url_identities:
         identity = create_identity(browser, url)
         if not identity:
             return None
-        identities[url] = [identity]
-        save_identities(identities, get_identities_list_path())
+        browser.identities[url] = [identity]
+        save_identities(browser.identities, get_identities_list_path())
     else:
-        # TODO support multiple identities; for now we just use the first
-        # available.
-        identity = url_identities[0]
+        identity = select_identity(url_identities)
 
     cert_path, key_path = get_cert_and_key(identity["id"])
     return open_gemini_url(
@@ -303,10 +309,16 @@ def _handle_cert_required(
         url,
         redirects=redirects + 1,
         use_cache=False,
-        identity=(cert_path, key_path)
+        cert_and_key=(cert_path, key_path)
     )
 
 
+def select_identity(identities: list):
+    """Let user select the appropriate identity among candidates."""
+    # TODO support multiple identities; for now we just use the first available.
+    return identities[0] if identities else None
+
+
 def create_identity(browser: Browser, url: str):
     """Walk the user through identity creation.
 

bebop/identity.py

@@ -33,24 +33,24 @@ from typing import Optional, Union
 from bebop.fs import get_identities_path, get_user_data_path
 
 
-def load_identities(identities_path: Path) -> Union[dict, str]:
-    """Return saved identities, else an error str."""
+def load_identities(identities_path: Path) -> Optional[dict]:
+    """Return saved identities or None on error."""
     identities = {}
     try:
         with open(identities_path, "rt") as identities_file:
             identities = json.load(identities_file)
     except (OSError, ValueError) as exc:
-        return f"Failed to load identities '{identities_path}': {exc}"
+        return None
     return identities
 
 
 def save_identities(identities: dict, identities_path: Path):
-    """Save the certificate stash. Return True on success, else an error str."""
+    """Save the certificate stash. Return True on success."""
     try:
         with open(identities_path, "wt") as identities_file:
             json.dump(identities, identities_file)
     except (OSError, ValueError) as exc:
-        return f"Failed to save identities '{identities_path}': {exc}"
+        return False
     return True
 
 
@@ -102,8 +102,8 @@ def create_certificate(url: str, common_name: str):
     try:
         subprocess.check_call(
             command,
-            # stdout=subprocess.DEVNULL,
-            # stderr=subprocess.DEVNULL,
+            stdout=subprocess.DEVNULL,
+            stderr=subprocess.DEVNULL,
         )
     except subprocess.CalledProcessError as exc:
         error = "Could not create certificate: " + str(exc)