comments and touch-ups

setup/agreement.py

@@ -1,21 +1,26 @@
+# This script deals with the Mail-in-a-Box configuration
+# (usually located at /home/user-data/settings.yaml)
+# to see if the user has agreed to Mail-in-a-Box.
+# This script can either check, or write in the configuration
+# that the user has agreed.
+
+#usage: python setup/agreement.py [set, check] [YAML file]
+#example: python setup/agreement.py set /home/user-data/settings.yaml
+#    prints: (nothing)
+#example: python setyp/agreement.py check /home/user-data/settings.yaml
+#    prints: "true" or "false"
+
+
 import sys
 import rtyaml
 import collections
-import os.path
 
-def load_environment():
+def write_settings(config):
-	# Load settings from a KEY=VALUE file.
-    import collections
-    env = collections.OrderedDict()
-    for line in open("/etc/mailinabox.conf"): env.setdefault(*line.strip().split("=", 1))
-    return env
-
-def write_settings(config, env):
     fn = sys.argv[2]
     with open(fn, "w") as f:
         f.write(rtyaml.dump(config))
 
-def load_settings(env):
+def load_settings():
     fn = sys.argv[2]
     try:
         config = rtyaml.load(open(fn, "r"))
@@ -24,8 +29,6 @@ def load_settings(env):
     except:
         return { }
 
-env = load_environment()
-
 if(sys.argv[2]):
 
 	if( sys.argv[1] == "check" ):
@@ -38,7 +41,7 @@ if(sys.argv[2]):
 
 
 	elif( sys.argv[1] == "set" ):
-		config = load_settings(env)
+		config = load_settings()
 
 		config["mailinabox-agreement"] = True
-		write_settings( config, env )
+		write_settings( config )

setup/functions.sh

@@ -227,6 +227,7 @@ function git_clone {
 function set_storage_user {
 	# Set STORAGE_USER to default values ( user-data ), unless
 	# we've already got those values from a previous run.
+	
 	if [ -z "${STORAGE_USER:-}" ]; then
 		STORAGE_USER=$([[ -z "${DEFAULT_STORAGE_USER:-}" ]] && echo "user-data" || echo "$DEFAULT_STORAGE_USER")
 	fi
@@ -235,6 +236,7 @@ function set_storage_user {
 function set_storage_root {
 	# Set STORAGE_ROOT to default values ( /home/user-data ), unless
 	# we've already got those values from a previous run.
+
 	if [ -z "${STORAGE_USER:-}" ]; then
 		STORAGE_USER=$([[ -z "${DEFAULT_STORAGE_USER:-}" ]] && echo "user-data" || echo "$DEFAULT_STORAGE_USER")
 	fi
@@ -244,28 +246,32 @@ function set_storage_root {
 }
 
 function check_config_agreed {
+#This function has no arguments
+#This will check Mail-in-a-Box's configuration to see if the user has agreed to Mail-in-a-Box
+#The configuration is usually held in /home/user-data/settings.yaml
+
 	set_storage_user;
 	set_storage_root;
 
-	if [ -z "${I_AGREE_MAILINABOX:-}" ]; then
+	if [ ! -d $STORAGE_ROOT ]; then
-		if [ ! -d $STORAGE_ROOT ]; then
-			return 1
-		fi
-		if [ ! -f $STORAGE_ROOT/settings.yaml ]; then
-			return 1
-		fi
-		local current_directory="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
-		local yaml_agreed=$(python "${current_directory}"/agreement.py check "${STORAGE_ROOT}/settings.yaml")
-		if [ "$yaml_agreed" -eq "true"]; then
-			return 0
-		fi
 		return 1
-	else
+	fi
+	if [ ! -f $STORAGE_ROOT/settings.yaml ]; then
+		return 1
+	fi
+	local current_directory="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+	local yaml_agreed=$(python "${current_directory}"/agreement.py check "${STORAGE_ROOT}"/settings.yaml; echo "${1:-}")
+	if [ $yaml_agreed == "true" ]; then
 		return 0
 	fi
+	return 1
 }
 
 function set_config_agreed {
+#This function has no arguments
+#This will write down in Mail-in-a-Box's configuration that the user has agreed to Mail-in-a-Box.
+#The configuration is usually held in /home/user-data/settings.yaml
+
 	set_storage_user;
 	set_storage_root;
 

setup/questions.sh

@@ -9,13 +9,15 @@ if [ -z "${NONINTERACTIVE:-}" ]; then
 	if [ ! -f /usr/bin/dialog ] || [ ! -f /usr/bin/python3 ] || [ ! -f /usr/bin/pip3 ]; then
 		echo Installing packages needed for setup...
 		apt-get -q -q update
-		apt_get_quiet install dialog python3 python3-pip  || exit 1
+		apt_get_quiet install dialog python3 python3-pip python-pip || exit 1
 	fi
 
 	# Installing email_validator is repeated in setup/management.sh, but in setup/management.sh
 	# we install it inside a virtualenv. In this script, we don't have the virtualenv yet
 	# so we install the python package globally.
 	hide_output pip3 install "email_validator>=1.0.0" || exit 1
+	# Installing rtyaml, so that we can check if the user has already agreed to Mail-in-a-Box.
+	hide_output pip install rtyaml || exit 1
 
 	message_box "Mail-in-a-Box Installation" \
 		"Hello and thanks for deploying a Mail-in-a-Box!
@@ -23,9 +25,11 @@ if [ -z "${NONINTERACTIVE:-}" ]; then
 		\n\nTo change your answers later, just run 'sudo mailinabox' from the command line.
 		\n\nNOTE: You should only install this on a brand new Ubuntu installation 100% dedicated to Mail-in-a-Box. Mail-in-a-Box will, for example, remove apache2."
 	
+	# Checks if there is already a variable that says the user has agreed to Mail-in-a-Box's Legal Notice.
 	if [ -z "${I_AGREE_MAILINABOX:-}" ]; then
 
 
+		# Checks if there is already a variable that says the user has agreed to Mail-in-a-Box's Legal Notice.
 		if [ $(check_config_agreed; echo $?) -eq "1" ]; then
 
 			#makes sure the user is aware of our legal stuff.
@@ -43,13 +47,20 @@ if [ -z "${NONINTERACTIVE:-}" ]; then
 		fi
 	fi
 
+	#sets I-agree variable
 	I_AGREE_MAILINABOX="$(/bin/true)"
+
+
+#what to do if we are not running interactive mode.
 else
 
+	#checks if the configuration file says the user has already agreed
 	if [ $(check_config_agreed; echo $?) -eq "0" ]; then
+		#sets I-agree variable
 		I_AGREE_MAILINABOX="$(/bin/true)"
 	fi
 
+	#Checks if I-agree variable exists.
 	#This is so a user can programmatically agree to our legal notice
 	if [ -z "${I_AGREE_MAILINABOX:-}" ]; then
 		echo "ERROR: You must agree to Mail-in-a-Box's Legal Notice. You can either:"
@@ -58,6 +69,7 @@ else
 		exit 1;
 	fi
 
+	#sets I-agree variable
 	I_AGREE_MAILINABOX=$(/bin/true)
 fi
 

setup/start.sh

@@ -55,17 +55,22 @@ chmod +x /usr/local/bin/mailinabox
 # if values have not already been set in environment variables. When running
 # non-interactively, be sure to set values for all! Also sets STORAGE_USER and
 # STORAGE_ROOT.
+# Also provides legal notice and consdent from user to (for example) auto-agree
+# Let's Encrypt.
 source setup/questions.sh
 
 
+# Checks configuration to see if the user has agreed to Mail-in-a-Box's legal notice.
 I_AGREE_MAILINABOX=$(check_config_agreed; echo $?)
 
+# Errors if no legal agreement was met.
 if [ -z "${I_AGREE_MAILINABOX:-}" ]; then
 	echo "ERROR: You must agree to Mail-in-a-Box's Legal Notice. You can either:"
 	echo "run this in interactive mode; or"
 	echo "set I_AGREE_MAILINABOX variable before running."
 	exit 1;
 else
+	#Writes to configuration that the user has agreed to Mail-in-a-Box's legal notice.
 	set_config_agreed;
 fi