From 120e6c719b12826f9cc6a2eb035d93e58a105a1f Mon Sep 17 00:00:00 2001
From: spla <salvador.pla@mastodont.cat>
Date: Wed, 19 May 2021 14:23:08 +0200
Subject: [PATCH] WIP

---
 db-setup.py | 160 ++++++++++++++++++++++++++++++++++++++++++
 setup.py    | 198 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 358 insertions(+)
 create mode 100644 db-setup.py
 create mode 100644 setup.py

diff --git a/db-setup.py b/db-setup.py
new file mode 100644
index 0000000..cc66859
--- /dev/null
+++ b/db-setup.py
@@ -0,0 +1,160 @@
+#import getpass
+import os
+import sys
+import psycopg2
+from psycopg2 import sql
+from psycopg2.extensions import ISOLATION_LEVEL_AUTOCOMMIT
+
+# Returns the parameter from the specified file
+def get_parameter( parameter, file_path ):
+    # Check if secrets file exists
+    if not os.path.isfile(file_path):
+        print("File %s not found, asking."%file_path)
+        write_parameter( parameter, file_path )
+        #sys.exit(0)
+
+    # Find parameter in file
+    with open( file_path ) as f:
+        for line in f:
+            if line.startswith( parameter ):
+                return line.replace(parameter + ":", "").strip()
+
+    # Cannot find parameter, exit
+    print(file_path + "  Missing parameter %s "%parameter)
+    sys.exit(0)
+
+def write_parameter( parameter, file_path ):
+    if not os.path.exists('config'):
+        os.makedirs('config')
+    print("Setting up welcome parameters...")
+    print("\n")
+    welcome_db = input("welcome db name: ")
+    welcome_db_user = input("welcome db user: ")
+    mastodon_db = input("Mastodon db name: ")
+    mastodon_db_user = input("Mastodon db user: ")
+
+
+    with open(file_path, "w") as text_file:
+        print("welcome_db: {}".format(welcome_db), file=text_file)
+        print("welcome_db_user: {}".format(welcome_db_user), file=text_file)
+        print("mastodon_db: {}".format(mastodon_db), file=text_file)
+        print("mastodon_db_user: {}".format(mastodon_db_user), file=text_file)
+
+def create_table(db, db_user, table, sql):
+
+    conn = None
+
+    try:
+
+        conn = psycopg2.connect(database = db, user = db_user, password = "", host = "/var/run/postgresql", port = "5432")
+        cur = conn.cursor()
+
+        print("Creating table.. "+table)
+        # Create the table in PostgreSQL database
+        cur.execute(sql)
+
+        conn.commit()
+        print("Table "+table+" created!")
+        print("\n")
+
+    except (Exception, psycopg2.DatabaseError) as error:
+
+        print(error)
+
+    finally:
+
+        if conn is not None:
+
+            conn.close()
+
+###############################################################################
+# main
+
+if __name__ == '__main__':
+
+    # Load configuration from config file
+    config_filepath = "config/db_config.txt"
+    welcome_db = get_parameter("welcome_db", config_filepath)
+    welcome_db_user = get_parameter("welcome_db_user", config_filepath)
+    mastodon_db = get_parameter("mastodon_db", config_filepath)
+    mastodon_db_user = get_parameter("mastodon_db_user", config_filepath)
+
+    ############################################################
+    # create database
+    ############################################################
+
+    conn = None
+
+    try:
+
+        conn = psycopg2.connect(dbname='postgres',
+            user=welcome_db_user, host='',
+            password='')
+
+        conn.set_isolation_level(ISOLATION_LEVEL_AUTOCOMMIT)
+
+        cur = conn.cursor()
+
+        print("Creating database " + welcome_db + ". Please wait...")
+
+        cur.execute(sql.SQL("CREATE DATABASE {}").format(
+            sql.Identifier(welcome_db))
+        )
+        print("Database " + welcome_db + " created!")
+
+    except (Exception, psycopg2.DatabaseError) as error:
+
+        print(error)
+
+    finally:
+
+        if conn is not None:
+
+            conn.close()
+
+    ############################################################
+
+    try:
+
+        conn = None
+
+        conn = psycopg2.connect(database = welcome_db, user = welcome_db_user, password = "", host = "/var/run/postgresql", port = "5432")
+
+    except (Exception, psycopg2.DatabaseError) as error:
+
+        print(error)
+
+        # Load configuration from config file
+        os.remove("config/db_config.txt")
+
+        print("Exiting. Run db-setup again with right parameters")
+        sys.exit(0)
+
+    finally:
+
+        if conn is not None:
+
+            conn.close()
+
+            print("\n")
+            print("welcome parameters saved to db-config.txt!")
+            print("\n")
+
+    ############################################################
+    # Create needed tables
+    ############################################################
+
+    print("Creating table...")
+
+    db = welcome_db
+    db_user = welcome_db_user
+
+    table = "welcome"
+    sql = "create table "+table+" (datetime timestamptz PRIMARY KEY, users int, users_hour int)"
+    create_table(db, db_user, table, sql)
+
+    ############################################################
+
+    print("Done!")
+    print("Now you can run setup.py!")
+    print("\n")
diff --git a/setup.py b/setup.py
new file mode 100644
index 0000000..e058924
--- /dev/null
+++ b/setup.py
@@ -0,0 +1,198 @@
+import getpass
+from mastodon import Mastodon
+from mastodon.Mastodon import MastodonMalformedEventError, MastodonNetworkError, MastodonReadTimeout, MastodonAPIError, MastodonIllegalArgumentError
+import fileinput,re
+import os
+import sys
+
+def create_dir():
+    if not os.path.exists('secrets'):
+        os.makedirs('secrets')
+
+def create_file():
+    if not os.path.exists('secrets/secrets.txt'):
+        with open('secrets/secrets.txt', 'w'): pass
+        print(secrets_filepath + " created!")
+
+def create_config():
+    if not os.path.exists('config'):
+        os.makedirs('config')
+    if not os.path.exists(config_filepath):
+        print(config_filepath + " created!")
+        with open('config/config.txt', 'w'): pass
+
+def create_lang_config():
+    if not os.path.exists(lang_config_filepath):
+        print(lang_config_filepath + " created!")
+        with open('config/lang_config.txt', 'w'): pass
+
+def write_params():
+    with open(secrets_filepath, 'a') as the_file:
+        print("Writing secrets parameter names to " + secrets_filepath)
+        the_file.write('uc_client_id: \n'+'uc_client_secret: \n'+'uc_access_token: \n')
+
+def write_config():
+    with open(config_filepath, 'a') as the_file:
+        print("Writing parameters names 'mastodon_hostname' and 'bot_username' to " + config_filepath)
+        the_file.write('mastodon_hostname: \n' + 'bot_username: \n')
+
+def read_client_lines(self):
+    client_path = 'app_clientcred.txt'
+    with open(client_path) as fp:
+        line = fp.readline()
+        cnt = 1
+        while line:
+            if cnt == 1:
+                print("Writing client id to " + secrets_filepath)
+                modify_file(secrets_filepath, "uc_client_id: ", value=line.rstrip())
+            elif cnt == 2:
+                print("Writing client secret to " + secrets_filepath)
+                modify_file(secrets_filepath, "uc_client_secret: ", value=line.rstrip())
+            line = fp.readline()
+            cnt += 1
+
+def read_token_line(self):
+    token_path = 'app_usercred.txt'
+    with open(token_path) as fp:
+        line = fp.readline()
+        print("Writing access token to " + secrets_filepath)
+        modify_file(secrets_filepath, "uc_access_token: ", value=line.rstrip())
+
+def read_config_line():
+    with open(config_filepath) as fp:
+        line = fp.readline()
+        modify_file(config_filepath, "mastodon_hostname: ", value=hostname)
+        modify_file(config_filepath, "bot_username: ", value=bot_username)
+
+def log_in():
+    error = 0
+    try:
+        global hostname, bot_username
+        hostname = input("Enter Mastodon hostname: ")
+        user = input("User name, ex. user@" + hostname +"? ")
+        user_password = getpass.getpass("User password? ")
+        bot_username = input("Bot's username, ex. welcome: ")
+        app_name = input("This app name? ")
+        Mastodon.create_app(app_name, scopes=["read","write"],
+            to_file="app_clientcred.txt", api_base_url=hostname)
+        mastodon = Mastodon(client_id = "app_clientcred.txt", api_base_url = hostname)
+        mastodon.log_in(
+            user,
+            user_password,
+            scopes = ["read", "write"],
+            to_file = "app_usercred.txt"
+        )
+    except MastodonIllegalArgumentError as i_error:
+        error = 1
+        if os.path.exists("secrets/secrets.txt"):
+            print("Removing secrets/secrets.txt file..")
+            os.remove("secrets/secrets.txt")
+        if os.path.exists("app_clientcred.txt"):
+            print("Removing app_clientcred.txt file..")
+            os.remove("app_clientcred.txt")
+        sys.exit(i_error)
+    except MastodonNetworkError as n_error:
+        error = 1
+        if os.path.exists("secrets/secrets.txt"):
+            print("Removing secrets/secrets.txt file..")
+            os.remove("secrets/secrets.txt")
+        if os.path.exists("app_clientcred.txt"):
+            print("Removing app_clientcred.txt file..")
+            os.remove("app_clientcred.txt")
+        sys.exit(n_error)
+    except MastodonReadTimeout as r_error:
+        error = 1
+        if os.path.exists("secrets/secrets.txt"):
+            print("Removing secrets/secrets.txt file..")
+            os.remove("secrets/secrets.txt")
+        if os.path.exists("app_clientcred.txt"):
+            print("Removing app_clientcred.txt file..")
+            os.remove("app_clientcred.txt")
+        sys.exit(r_error)
+    except MastodonAPIError as a_error:
+        error = 1
+        if os.path.exists("secrets/secrets.txt"):
+            print("Removing secrets/secrets.txt file..")
+            os.remove("secrets/secrets.txt")
+        if os.path.exists("app_clientcred.txt"):
+            print("Removing app_clientcred.txt file..")
+            os.remove("app_clientcred.txt")
+        sys.exit(a_error)
+    finally:
+        if error == 0:
+
+            create_dir()
+            create_file()
+            write_params()
+            client_path = 'app_clientcred.txt'
+            read_client_lines(client_path)
+            token_path = 'app_usercred.txt'
+            read_token_line(token_path)
+            if os.path.exists("app_clientcred.txt"):
+                print("Removing app_clientcred.txt temp file..")
+                os.remove("app_clientcred.txt")
+            if os.path.exists("app_usercred.txt"):
+                print("Removing app_usercred.txt temp file..")
+                os.remove("app_usercred.txt")
+            print("Secrets setup done!\n")
+
+def modify_file(file_name,pattern,value=""):
+    fh=fileinput.input(file_name,inplace=True)
+    for line in fh:
+        replacement=pattern + value
+        line=re.sub(pattern,replacement,line)
+        sys.stdout.write(line)
+    fh.close()
+
+# Returns the parameter from the specified file
+def get_parameter( parameter, file_path ):
+    # Check if secrets file exists
+    if not os.path.isfile(file_path):
+        print("File %s not found, creating it."%file_path)
+        log_in()
+
+    # Find parameter in file
+    with open( file_path ) as f:
+        for line in f:
+            if line.startswith( parameter ):
+                return line.replace(parameter + ":", "").strip()
+
+    # Cannot find parameter, exit
+    print(file_path + " Missing parameter %s "%parameter)
+    sys.exit(0)
+
+# Returns the parameter from the specified file
+def get_hostname( parameter, config_filepath ):
+    # Check if secrets file exists
+    if not os.path.isfile(config_filepath):
+        print("File %s not found, creating it."%config_filepath)
+        create_config()
+
+    # Find parameter in file
+    with open( config_filepath ) as f:
+        for line in f:
+            if line.startswith( parameter ):
+                return line.replace(parameter + ":", "").strip()
+
+    # Cannot find parameter, exit
+    print(config_filepath + "  Missing parameter %s "%parameter)
+    write_config()
+    read_config_line()
+    print("setup done!")
+    sys.exit(0)
+
+###############################################################################
+# main
+
+if __name__ == '__main__':
+
+    # Load secrets from secrets file
+    secrets_filepath = "secrets/secrets.txt"
+    uc_client_id     = get_parameter("uc_client_id",     secrets_filepath)
+    uc_client_secret = get_parameter("uc_client_secret", secrets_filepath)
+    uc_access_token  = get_parameter("uc_access_token",  secrets_filepath)
+
+    # Load configuration from config file
+    config_filepath = "config/config.txt"
+    mastodon_hostname = get_hostname("mastodon_hostname", config_filepath)
+    bot_username = get_parameter("bot_username", config_filepath)