feat: major rewrite of the webserver

gets rid of __init__ and runserver in favor of new modular design
also introduces db model, first api endpoints, as well as their wrappers

FlaskWebProject/FlaskWebProject/lewy_globals.py

@@ -1,9 +1,37 @@
 from git import Repo # hash ostatniego commitu
+import os
+import time
+import toml
+
+global config, randomly_generated_passcode
+
+class colors:
+	HEADER    = '\033[95m'
+	OKBLUE    = '\033[94m'
+	OKCYAN    = '\033[96m'
+	OKGREEN   = '\033[92m'
+	WARNING   = '\033[93m'
+	FAIL      = '\033[91m'
+	ENDC      = '\033[0m'
+	BOLD      = '\033[1m'
+	UNDERLINE = '\033[4m'
+	ENDL      = '\n'
+
+def safeTraverse(obj: dict, path: list, default=None):
+	result = obj
+	try:
+		for x in path:
+			result = result[x]
+	except KeyError:
+		result = default
+		# print(f"error reading: {' -> '.join(path)} - returning: {default}")
+	finally:
+		return result
 
 def getCommit():
 	try:
 		return Repo(search_parent_directories=True).head.object.hexsha
-	except:
+	except Exception as e:
 		return None
 
 def getCommitInFormattedHTML():
@@ -13,4 +41,85 @@ def getCommitInFormattedHTML():
 	if commit is not None:
 		repo = f"<p>Commit: <a href='https://gitea.7o7.cx/roberteam/lewangoalski/commit/{commit}'>{commit[:11]}</a></p>"
 	
-	return repo
+	return repo
+
+def getCommitWithFailsafe():
+	commit = getCommit()
+
+	if commit is None:
+		commit = "(unknown commit)"
+	else:
+		commit = "#" + commit
+
+	return commit[:12]
+
+def ensureRandomlyGeneratedPassword():
+	global randomly_generated_passcode
+
+	# iff the passcode is 0, as we manually set it elsewhere!
+	if randomly_generated_passcode == 0:
+		# generate a pseudorandom one and use it in the temporary config
+		randomly_generated_passcode = str(int(time.time() * 1337 % 899_999 + 100_000))
+			
+		print(f"{colors.WARNING}WARNING{colors.ENDC}: Default config populated with one-time, insecure pseudorandom API key: {colors.OKCYAN}{randomly_generated_passcode}{colors.ENDC}.\n"
+			  f"         The API key is not the Flask debugger PIN. You need to provide a config file for persistence!{colors.ENDL}")
+
+def getConfig(configfile):
+	global randomly_generated_passcode
+
+	if not os.path.exists(configfile):
+		dummy_config = {'general': {'db_path_url': 'sqlite:///lewangoalski.sqlite', 'is_proxied': False, 'public_facing_url': 'http://127.0.0.1:5000/', db_prefix: 'lewy_sqlite'}, 'api': {'api_key': 'CHANGEME'}, 'scraper': {'user-agent': ''}}
+		# if a passcode has not been provided by the user (config file doesn't exist, and user didn't specify it using an argument)
+		print(f"{colors.WARNING}WARNING{colors.ENDC}: Using default, baked in config data. {colors.ENDL}"
+			  f"         Consider copying and editing the provided example file ({colors.OKCYAN}config.example.toml{colors.ENDC}).")
+
+		ensureRandomlyGeneratedPassword()
+
+		dummy_config['api']['api_key'] = str(randomly_generated_passcode)
+		return dummy_config
+
+	else:
+		return toml.load(configfile)
+
+def setConfig(configfile):
+	global config
+	config = getConfig(configfile)
+
+	if safeTraverse(config['api']['api_key'], []) is None or not config['api']['api_key']:
+		ensureRandomlyGeneratedPassword()
+		config['api']['api_key'] = str(randomly_generated_passcode)
+
+
+def getHeaders():
+	# NOTE: use ESR user-agent
+	# user_agent = 'Mozilla/5.0 (Windows NT 10.0; rv:130.0) Gecko/20100101 Firefox/130.0'
+	user_agent = 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0'
+
+	if safeTraverse(config[scraper]['user-agent'], []) is not None:
+		user_agent = config[scraper]['user-agent']
+
+	return user_agent
+
+def getUptime():
+	return int(time.time()) - starttime
+
+def extractIpAndPortFromPublicUrl() -> tuple:
+
+	ip, port = "127.0.0.1", "5000"
+
+	try:
+		url = config['general']['public_facing_url'].replace(":/", "")
+		url_parts = url.split('/')
+		ip_and_port = url_parts[1]
+		ip, port = ip_and_port.split(':')
+	except:
+		pass
+
+	return ip, port
+
+# Please leave at the bottom of this file.
+config = {}
+configfile = "config.toml"
+version = getCommitWithFailsafe()
+apiVersion = "1"
+randomly_generated_passcode = 0