Added login api

acer-env/lib/python3.10/site-packages/corsheaders/checks.py

@@ -0,0 +1,164 @@
+from __future__ import annotations
+
+import re
+from collections.abc import Sequence
+from typing import Any
+from urllib.parse import urlparse
+
+from django.apps import AppConfig
+from django.conf import settings
+from django.core.checks import Error
+
+from corsheaders.conf import conf
+
+re_type = type(re.compile(""))
+
+
+def check_settings(app_configs: list[AppConfig], **kwargs: Any) -> list[Error]:
+    errors = []
+
+    if not is_sequence(conf.CORS_ALLOW_HEADERS, str):
+        errors.append(
+            Error(
+                "CORS_ALLOW_HEADERS should be a sequence of strings.",
+                id="corsheaders.E001",
+            )
+        )
+
+    if not is_sequence(conf.CORS_ALLOW_METHODS, str):
+        errors.append(
+            Error(
+                "CORS_ALLOW_METHODS should be a sequence of strings.",
+                id="corsheaders.E002",
+            )
+        )
+
+    if not isinstance(conf.CORS_ALLOW_CREDENTIALS, bool):
+        errors.append(  # type: ignore [unreachable]
+            Error("CORS_ALLOW_CREDENTIALS should be a bool.", id="corsheaders.E003")
+        )
+
+    if (
+        not isinstance(conf.CORS_PREFLIGHT_MAX_AGE, int)
+        or conf.CORS_PREFLIGHT_MAX_AGE < 0
+    ):
+        errors.append(
+            Error(
+                (
+                    "CORS_PREFLIGHT_MAX_AGE should be an integer greater than "
+                    + "or equal to zero."
+                ),
+                id="corsheaders.E004",
+            )
+        )
+
+    if not isinstance(conf.CORS_ALLOW_ALL_ORIGINS, bool):
+        if hasattr(settings, "CORS_ALLOW_ALL_ORIGINS"):  # type: ignore [unreachable]
+            allow_all_alias = "CORS_ALLOW_ALL_ORIGINS"
+        else:
+            allow_all_alias = "CORS_ORIGIN_ALLOW_ALL"
+        errors.append(
+            Error(
+                f"{allow_all_alias} should be a bool.",
+                id="corsheaders.E005",
+            )
+        )
+
+    if hasattr(settings, "CORS_ALLOWED_ORIGINS"):
+        allowed_origins_alias = "CORS_ALLOWED_ORIGINS"
+    else:
+        allowed_origins_alias = "CORS_ORIGIN_WHITELIST"
+
+    if not is_sequence(conf.CORS_ALLOWED_ORIGINS, str):
+        errors.append(
+            Error(
+                f"{allowed_origins_alias} should be a sequence of strings.",
+                id="corsheaders.E006",
+            )
+        )
+    else:
+        special_origin_values = (
+            # From 'security sensitive' contexts
+            "null",
+            # From files on Chrome on Android
+            # https://bugs.chromium.org/p/chromium/issues/detail?id=991107
+            "file://",
+        )
+        for origin in conf.CORS_ALLOWED_ORIGINS:
+            if origin in special_origin_values:
+                continue
+            parsed = urlparse(origin)
+            if parsed.scheme == "" or parsed.netloc == "":
+                errors.append(
+                    Error(
+                        "Origin {} in {} is missing scheme or netloc".format(
+                            repr(origin), allowed_origins_alias
+                        ),
+                        id="corsheaders.E013",
+                        hint=(
+                            "Add a scheme (e.g. https://) or netloc (e.g. "
+                            + "example.com)."
+                        ),
+                    )
+                )
+            else:
+                # Only do this check in this case because if the scheme is not
+                # provided, netloc ends up in path
+                for part in ("path", "params", "query", "fragment"):
+                    if getattr(parsed, part) != "":
+                        errors.append(
+                            Error(
+                                "Origin {} in {} should not have {}".format(
+                                    repr(origin), allowed_origins_alias, part
+                                ),
+                                id="corsheaders.E014",
+                            )
+                        )
+
+    if hasattr(settings, "CORS_ALLOWED_ORIGIN_REGEXES"):
+        allowed_regexes_alias = "CORS_ALLOWED_ORIGIN_REGEXES"
+    else:
+        allowed_regexes_alias = "CORS_ORIGIN_REGEX_WHITELIST"
+    if not is_sequence(conf.CORS_ALLOWED_ORIGIN_REGEXES, (str, re_type)):
+        errors.append(
+            Error(
+                "{} should be a sequence of strings and/or compiled regexes.".format(
+                    allowed_regexes_alias
+                ),
+                id="corsheaders.E007",
+            )
+        )
+
+    if not is_sequence(conf.CORS_EXPOSE_HEADERS, str):
+        errors.append(
+            Error("CORS_EXPOSE_HEADERS should be a sequence.", id="corsheaders.E008")
+        )
+
+    if not isinstance(conf.CORS_URLS_REGEX, (str, re_type)):
+        errors.append(
+            Error("CORS_URLS_REGEX should be a string or regex.", id="corsheaders.E009")
+        )
+
+    if not isinstance(conf.CORS_REPLACE_HTTPS_REFERER, bool):
+        errors.append(  # type: ignore [unreachable]
+            Error("CORS_REPLACE_HTTPS_REFERER should be a bool.", id="corsheaders.E011")
+        )
+
+    if hasattr(settings, "CORS_MODEL"):
+        errors.append(
+            Error(
+                (
+                    "The CORS_MODEL setting has been removed - see "
+                    + "django-cors-headers' HISTORY."
+                ),
+                id="corsheaders.E012",
+            )
+        )
+
+    return errors
+
+
+def is_sequence(thing: Any, type_or_types: type[Any] | tuple[type[Any], ...]) -> bool:
+    return isinstance(thing, Sequence) and all(
+        isinstance(x, type_or_types) for x in thing
+    )