Merge branch 'master' into workaround_kde_qqc2_crash

cura_app.py

@@ -1,16 +1,35 @@
 #!/usr/bin/env python3
 
-# Copyright (c) 2019 Ultimaker B.V.
+# Copyright (c) 2020 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
+# Remove the working directory from sys.path.
+# This fixes a security issue where Cura could import Python packages from the
+# current working directory, and therefore be made to execute locally installed
+# code (e.g. in the user's home directory where AppImages by default run from).
+# See issue CURA-7081.
+import sys
+if "" in sys.path:
+    sys.path.remove("")
+
 import argparse
 import faulthandler
 import os
-import sys
+
+# Workaround for a race condition on certain systems where there
+# is a race condition between Arcus and PyQt. Importing Arcus
+# first seems to prevent Sip from going into a state where it
+# tries to create PyQt objects on a non-main thread.
+import Arcus  # @UnusedImport
+import Savitar  # @UnusedImport
+import pynest2d # @UnusedImport
+
+from PyQt5.QtNetwork import QSslConfiguration, QSslSocket
 
 from UM.Platform import Platform
 from cura import ApplicationMetadata
 from cura.ApplicationMetadata import CuraAppName
+from cura.CrashHandler import CrashHandler
 
 try:
     import sentry_sdk
@@ -21,7 +40,7 @@ except ImportError:
 parser = argparse.ArgumentParser(prog = "cura",
                                  add_help = False)
 parser.add_argument("--debug",
-                    action="store_true",
+                    action = "store_true",
                     default = False,
                     help = "Turn on the debug mode by setting this option."
                     )
@@ -31,24 +50,31 @@ known_args = vars(parser.parse_known_args()[0])
 if with_sentry_sdk:
     sentry_env = "unknown"  # Start off with a "IDK"
     if hasattr(sys, "frozen"):
-        sentry_env = "production"  # A frozen build has the posibility to be a "real" distribution.
+        sentry_env = "production"  # A frozen build has the possibility to be a "real" distribution.
 
     if ApplicationMetadata.CuraVersion == "master":
         sentry_env = "development"  # Master is always a development version.
-    elif ApplicationMetadata.CuraVersion in ["beta", "BETA"]:
+    elif "beta" in ApplicationMetadata.CuraVersion or "BETA" in ApplicationMetadata.CuraVersion:
         sentry_env = "beta"
     try:
         if ApplicationMetadata.CuraVersion.split(".")[2] == "99":
             sentry_env = "nightly"
     except IndexError:
         pass
-    
-    sentry_sdk.init("https://5034bf0054fb4b889f82896326e79b13@sentry.io/1821564",
-                    environment = sentry_env,
-                    release = "cura%s" % ApplicationMetadata.CuraVersion,
-                    default_integrations = False,
-                    max_breadcrumbs = 300,
-                    server_name = "cura")
+
+    # Errors to be ignored by Sentry
+    ignore_errors = [KeyboardInterrupt, MemoryError]
+    try:
+        sentry_sdk.init("https://5034bf0054fb4b889f82896326e79b13@sentry.io/1821564",
+                        before_send = CrashHandler.sentryBeforeSend,
+                        environment = sentry_env,
+                        release = "cura%s" % ApplicationMetadata.CuraVersion,
+                        default_integrations = False,
+                        max_breadcrumbs = 300,
+                        server_name = "cura",
+                        ignore_errors = ignore_errors)
+    except Exception:
+        with_sentry_sdk = False
 
 if not known_args["debug"]:
     def get_cura_dir_path():
@@ -161,18 +187,11 @@ def exceptHook(hook_type, value, traceback):
 # Set exception hook to use the crash dialog handler
 sys.excepthook = exceptHook
 # Enable dumping traceback for all threads
-if sys.stderr:
+if sys.stderr and not sys.stderr.closed:
     faulthandler.enable(file = sys.stderr, all_threads = True)
-elif sys.stdout:
+elif sys.stdout and not sys.stdout.closed:
     faulthandler.enable(file = sys.stdout, all_threads = True)
 
-# Workaround for a race condition on certain systems where there
-# is a race condition between Arcus and PyQt. Importing Arcus
-# first seems to prevent Sip from going into a state where it
-# tries to create PyQt objects on a non-main thread.
-import Arcus #@UnusedImport
-import Savitar #@UnusedImport
-
 from cura.CuraApplication import CuraApplication
 
 
@@ -213,5 +232,10 @@ if Platform.isLinux() and getattr(sys, "frozen", False):
 if Platform.isLinux():
     os.environ["QT_QUICK_CONTROLS_STYLE"] = "default"
     
+if ApplicationMetadata.CuraDebugMode:
+    ssl_conf = QSslConfiguration.defaultConfiguration()
+    ssl_conf.setPeerVerifyMode(QSslSocket.VerifyNone)
+    QSslConfiguration.setDefaultConfiguration(ssl_conf)
+
 app = CuraApplication()
 app.run()