Made more maintainable, not tested

.gitignore

 *
-!.py
-!.md
-!templates
\ No newline at end of file
+!*.py
+!*.md
+!templates
+!install.sh
\ No newline at end of file

database.py

+import sqlite3
+
+class Table:
+  id = "id"
+  file = "file"
+  serv = "serv"
+  dest = "dest"
+  type = "type"
+  state = "state"
+
+class States:
+  queued = "queued"
+  delivered = "delivered"
+
+class DBconnection:
+
+  tables = ["msg","history"]
+
+  states = [States.queued,States.delivered]
+
+  structure = {
+    Table.id : "integer PRIMARY KEY"
+    Table.file : "text"
+    Table.serv : "text"
+    Table.dest : "text"
+    Table.type : "text"
+    Table.state : "text"
+  }
+
+  def __init__(self,db):
+    ipdb.set_trace()
+    self.db = db
+    query = "CREATE TABLE IF NOT EXISTS msg("
+    for column in DBconnection.structure:
+      query += column + " " + DBconnection.structure[column] + ","
+    query[-1] = ")"
+    # main table
+    self.query(query)
+    # delivered messages that were informed
+    self.query(query.replace("msg","history",1))
+
+  def query(self,query,*args):
+    if query.upper().find("INSERT") == 0:
+      return "Use la funcion insert() para insertar"
+    entities = None
+    for ar in args:
+      entities = ar
+    con = sqlite3.connect(self.db)
+    cursor = con.cursor()
+    if entities:
+      cursor.execute(query,entities)
+    else:
+      cursor.execute(query)
+    rows = cursor.fetchall()
+    con.commit()
+    con.close()
+    return rows
+
+  def insert(self,table,insertions):
+    if not table in DBconnection.tables:
+      return "La tabla " + table + " no existe o no está contemplada"
+    query = "INSERT INTO " table + "("
+    values = " VALUES("
+    for column in insertions:
+      if not check(column,insertions[column]):
+        return "El dato '" + insertions[column] + "' no es valido"
+      query += column + ","
+      values += insertions[column] + ","
+    query[-1] = ")"
+    values[-1] = ")"
+    con = sqlite3.connect(self.db)
+    cursor = con.cursor()
+    cursor.execute(query + values)
+    cursor.execute("SELECT last_insert_rowid()")
+    id = cursor.fetchall()[0][0]
+    con.commit()
+    con.close()
+    return id
+
+  def check(self,column,data):
+    if column == Table.serv:
+      return Services.validate(data)
+    if column == Table.dest and len(data) <= 13:
+      return True
+    if column == Table.type:
+      return Datatypes.validate(data)
+    if column == Table.state:
+      return (data in DBconnection.states)
+    return False
+
+  @staticmethod
+  def parseToTable(rows):
+    dictarray = []
+    for row in rows:
+      dictrow = {}
+      i = 0
+      for column in DBconnection.structure:
+        dictrow[column] = row[i]
+        i = i + 1
+      dictarray.append(dictrow)
+    return dictarray

deploy.py

@@ -9,6 +9,7 @@ from python_arptable import get_arp_table
 
 app = Flask(__name__)
 retry_timer = 10
+last_file = {}
 
 @app.route('/')
 def main():
@@ -24,10 +25,10 @@ def init():
   return key(mac)
 
 def key(dir):
-  os.system("openssl genrsa -out ./" + dir + "/rsa_key.pri 2048") # private key
-  os.system("openssl rsa -in ./" + dir + "/rsa_key.pri -out ./" + dir + "/rsa_key.pub -outform PEM -pubout") # public key
+  os.system("openssl genrsa -out " + dir + "/rsa_key.pri 2048") # private key
+  os.system("openssl rsa -in " + dir + "/rsa_key.pri -out " + dir + "/rsa_key.pub -outform PEM -pubout") # public key
 
-  f = open("./" + dir + "/rsa_key.pub", "r")
+  f = open(dir + "/rsa_key.pub", "r")
   key = f.read()
   f.close()
   return key
@@ -47,8 +48,9 @@ def data():
 
   key = request.files.get('key')
   if key != None:
-    key.save("./" + dir + "/key")
-  request.files['data'].save("./" + dir + "/data")
+    key.save(dir + "/key")
+  request.files['data'].save(dir + "/" + request.files['data'].filename)
+  last_file[dir] = request.files['data'].filename
   return ""
 
 @app.route('/msg', methods = ['POST'])
@@ -60,22 +62,21 @@ def msg():
     return "Debe llamar a /init primero"
 
   # symetric key was sent, decrypt data
-  if os.path.exists("./" + dir + "/key"):
+  if os.path.exists(dir + "/key"):
     # decrypt random key with stored private key and store in host folder
-    os.system("openssl rsautl -decrypt -inkey ./" + dir + "/rsa_key.pri -in ./" + dir + "/key -out ./" + dir + "/key")
+    os.system("openssl rsautl -decrypt -inkey " + dir + "/rsa_key.pri -in " + dir + "/key -out " + dir + "/key")
     # decrypt JSON with decrypted random key and store in dir folder
-    os.system("openssl enc -d -aes-256-cbc -in ./" + dir + "/data -out ./" + dir + "/data -pass file:./" + dir + "/key")
+    os.system("openssl enc -d -aes-256-cbc -in " + dir + "/" + last_file[dir] + " -out " + dir + "/" + last_file[dir] + " -pass file:" + dir + "/key")
     # delete key
-    os.system("rm ./" + dir + "/key")
+    os.system("rm " + dir + "/key")
 
   query = {
-    'dir' : dir,
+    'file' : dir + "/" + last_file[dir],
     'serv' : request.values['serv'],
     'dest' : request.values['dest'],
     'type' : request.values['type']
   }
   id = process.store(query)
-  os.system("mv ./" + dir + "/data ./" + dir + "/" + id)
   return str(id)
 
 @app.route('/cons', methods = ['POST'])

process_message.py

-import sqlite3
-from sqlite3 import Error
 import ipdb
 import os
 from services import serviceFactory, Datatypes, Services
-
-class DBconnection:
-
-  def __init__(self,db):
-    # main table
-    self.db = db
-    self.query("CREATE TABLE IF NOT EXISTS msg(\
-    id integer PRIMARY KEY,\
-    dir text,\
-    serv text CHECK( serv IN ('wpp1', 'wwp2', 'telegram', 'sms') ),\
-    dest text CHECK( LENGTH(dest) <= 13 ),\
-    type text CHECK( type IN ('text', 'image', 'file', 'multimedia') ),\
-    state text CHECK( state IN ('delivered', 'queued') ) )")
-    # delivered messages that were informed
-    self.query("CREATE TABLE IF NOT EXISTS history(\
-    id integer PRIMARY KEY,\
-    dir text,\
-    serv text CHECK( serv IN ('wpp1', 'wwp2', 'telegram', 'sms') ),\
-    dest text CHECK( LENGTH(dest) <= 13 ),\
-    type text CHECK( type IN ('text', 'image', 'file', 'multimedia') ),\
-    state text CHECK( state IN ('delivered', 'queued') ) )")
-
-  def query(self,query,*args):
-    con = sqlite3.connect(self.db)
-    cursor = con.cursor()
-    entities = None
-    for ar in args:
-      entities = ar
-    if entities:
-      cursor.execute(query,entities)
-    else:
-      cursor.execute(query)
-    if query.find("INSERT") == 0:
-      cursor.execute("SELECT last_insert_rowid()")
-    rows = cursor.fetchall()
-    con.commit()
-    con.close()
-    return rows
-
-  @staticmethod
-  def parseToTable(rows):
-    dictarray = []
-    for row in rows:
-      dictarray.append(
-        {
-          'id' : row[0],
-          'dir' : row[1],
-          'serv' : row[2],
-          'dest' : row[3],
-          'type' : row[4],
-          'state' : row[5]
-        }
-      )
-    return dictarray
+from database import DBconnection, Table, States
 
 class Process:
 
@@ -67,28 +12,33 @@ class Process:
   # stores the message and returns its id
   def store(self,query):
     # service is wrong
-    if not Services.validate(query['serv']):
-      return "No existe el servicio '" + query['serv'] + "'"
+    if not Services.validate(query[Table.serv]):
+      return "No existe el servicio '" + query[Table.serv] + "'"
     # message can't be sent by this service
-    if not serviceFactory(query['serv']).validate(query['type']):
-      return "El servicio '" + query['serv'] + "' no puede enviar el tipo '" + query['type'] + "'"
-
-    entities = (query['dir'],query['serv'],query['dest'],query['type'],'queued')
-    rows = self.conn.query("INSERT INTO msg(dir,serv,dest,type,state) VALUES(?,?,?,?,?)", entities)
-    return str(rows[0][0])
+    if not serviceFactory(query[Table.serv]).validate(query[Table.type]):
+      return "El servicio '" + query[Table.serv] + "' no puede enviar el tipo '" + query[Table.type] + "'"
+    entities = {
+      Table.file : query[Table.file],
+      Table.dest : query[Table.dest],
+      Table.serv : query[Table.serv],
+      Table.type : query[Table.type],
+      Table.state : query[Table.state]
+    }
+    id = self.conn.insert("msg",entities)
+    return str(id)
 
   # tries to send all messages available
   def send(self):
-    rows = self.conn.query("SELECT * FROM msg WHERE state = 'queued'")
+    rows = self.conn.query("SELECT * FROM msg WHERE state = ?",(States.queued,))
     for query in DBconnection.parseToTable(rows):
-      # if folder doesn't exists, erase the message request, it can't be read anyway
-      if not os.path.exists(query['dir']):
-        self.conn.query("DELETE FROM msg WHERE id = ?",(query['id'],))
-      serv = serviceFactory(query['serv'])
+      # if file doesn't exist, erase the message request, it can't be read anyway
+      if not os.path.exists(query[Table.file]):
+        self.conn.query("DELETE FROM msg WHERE id = ?",(query[Table.id],))
+      serv = serviceFactory(query[Table.serv])
       success = serv.send(query)
       if success:
         # save as delivered
-        self.conn.query("UPDATE msg SET state = 'delivered' WHERE id = ?",(query['id'],))
+        self.conn.query("UPDATE msg SET state = ? WHERE id = ?",(States.delivered,query[Table.id]))
 
   # returns the state of a message given its id
   # stores the message to history if delivered
@@ -98,7 +48,14 @@ class Process:
       return "El id " + str(id) + " no existe"
     rows = DBconnection.parseToTable(rows)
     row = rows[0]
-    if row['state'] == "delivered":
+    if row[Table.state] == States.delivered:
       self.conn.query("DELETE FROM msg WHERE id = ?",(id,))
-      self.conn.query("INSERT INTO history(dir,serv,dest,type,state) VALUES(?,?,?,?,?)", (row['dir'],row['serv'],row['dest'],row['type'],row['state']))
-    return row['state']
\ No newline at end of file
+      entities = {
+        Table.file : row[Table.file],
+        Table.serv : row[Table.serv],
+        Table.dest : row[Table.dest],
+        Table.type : row[Table.type],
+        Table.state : row[Table.state],
+      }
+      self.conn.insert("history",entities)
+    return row[Table.state]
\ No newline at end of file

services.py

 import requests
 import json
 import os
+from database import Table
 from abc import ABC, abstractmethod
 
 class Services:
@@ -57,16 +58,16 @@ class Wpp1(ServiceBase):
   server = "https://archivos.hgtsa.com.ar/"
 
   def send(self,data):
-    file_path = "./" + data['dir'] + "/" + str(data['id'])
-    if data['type'] == Datatypes.text:
+    file_path = data[Table.file]
+    if data[Table.type] == Datatypes.text:
       f = open(file_path)
       text = f.read()
       f.close()
-      result = requests.get(url = Wpp1.URL + Wpp1.URLmode[data['type']],params = {'token':Wpp1.token,'uid':Wpp1.uid,'to':data['dest'],'text':text})
+      result = requests.get(url = Wpp1.URL + Wpp1.URLmode[data[Table.type]],params = {'token':Wpp1.token,'uid':Wpp1.uid,'to':data[Table.dest],'text':text})
       return result.json()['success']
     else:
-      path = requests.post(url = Wpp1.server, files = { 'data' : (str(data['id']),open(file_path,'rb')) })
-      result = requests.get(url = Wpp1.URL + Wpp1.URLmode[data['type']],params = {'token':Wpp1.token,'uid':Wpp1.uid,'to':data['dest'],'url':Wpp1.server + path.text})
+      path = requests.post(url = Wpp1.server, files = { 'data' : (str(data[Table.id]),open(file_path,'rb')) })
+      result = requests.get(url = Wpp1.URL + Wpp1.URLmode[data[Table.type]],params = {'token':Wpp1.token,'uid':Wpp1.uid,'to':data[Table.dest],'url':Wpp1.server + path.text})
       return result.json()['success']
 
   def validate(self,datatype):