denis
181 lines
6.0 KiB
Markdown
181 lines
6.0 KiB
Markdown
# Termux Sms Gateway
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SMS and notification gateway using Android smartphone
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#### Goal:
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Make any laptop with an Internet connection a SMS gateway
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Send SMS from his desktop using a web interface or other.
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Receive SMS on his desk in order to use the content.
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#### Method used
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#### Send SMS or Notification
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- SMS are created on one machine (1 or more) on the network.
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- They are then published to a public or private MQTT server
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- The messages are received on an MQTT client installed on the laptop (1 or more).
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- The messages are then sent to the recipients.
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#### SMS reception
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- The SMS are received on the smartphone and published to the MQTT server
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- The messages are received on a MQTT client installed on the subscribed machine (1 or more)
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#### Non-exhaustive use
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- Email message usage
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- Receive and process alert messages (IOT or other)
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- etc ...
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#### Conditions for receiving or sending
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- Take a public or private MQTT server to relay messages
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- Subscribe MQTT customers to the same topics
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> You can install your own mosquitto server
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>> https://mosquitto.org/download/
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>
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> More information on MQTT: https://fr.wikipedia.org/wiki/MQTT
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- Security of data transmitted
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> We may need to encrypt the content for security reasons.
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>> Use encryption with public key / private key on clients
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### Smartphone installation
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https://github.com/termux/termux-app
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#### Installation of termux
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- Termux application obtained by F-Droid:
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- https://www.f-droid.org/fr/
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- Or by google store:
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- https://play.google.com/
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> IMPORTANT: You must choose either one or the other repository
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- Install
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- Termux
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- Termux: API
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- Termux: Widget
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#### MQTT client installation
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The following python packages will be installed:
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- termux-sms-gateway
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- paho-mqtt
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- supervisor
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- supervisor is a process control system
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- because Android do not support hard links, it will be necessary to patch http.py from library
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- rsa >> https://stuvel.eu/python-rsa-doc/
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### Installation procedure
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After installing termux on the smartphone, launch Termux
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- Copy and paste the following command in the Termux terminal
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export PACKAGE="TermuxSmsGateway"&&
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export VERSION="1.0"&&
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mkdir -p $HOME/.termux/tasks&&
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apt install python git termux-api -y&&
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rm -rf TermuxSmsGateway&&
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git clone https://github.com/deunix-educ/TermuxSmsGateway.git&&
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cp -f $PACKAGE/smsquitto-install/smsquitto-st* $HOME/.termux/tasks/&&
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cp -f $PACKAGE/smsquitto/smsquitto-conf.yaml $HOME/.termux/&&
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cp -f $PACKAGE/smsquitto-install/supervisor/supervisord $HOME/.termux/boot/&&
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cp -f $PACKAGE/smsquitto-install/supervisor/supervisord.conf $PREFIX/etc/&&
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cp -f $PACKAGE/smsquitto-install/supervisor/smsquitto.conf $PREFIX/etc/supervisor.d/&&
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pip install $PACKAGE/dist/smsquitto-$VERSION.tar.gz&&
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cd $PREFIX/lib/python3.9/site-packages/supervisor&&
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patch < $HOME/$PACKAGE/smsquitto-install/supervisor/patch/http.py.patch&&
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cd ~
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- Enter to start the installation
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### Server configuration
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- smsquitto config server are in ~/.termux/smsquitto-conf.yaml
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- host: ip or domain of the MQTT server
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- port: 1883 or 8883
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- keepalive: 60
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- username: login
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- password: password
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- useSSL: False or True
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- ca_cert: path/to/file/ca.cert
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- apikey: *string*
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- ** IMPORTANT **: This key is used to synchronize the topics with the subscriptions
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- ex: SQTT010203040506079
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- Copy and paste the following command in the terminal
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nano $HOME/.termux/smsquitto-conf.yaml
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- Install services (start, stop, status)
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- Install Tremux widget:Widget on the phone's by keeping your finger on the screen
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- Choose shortcut
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- Change the icon and the name if you want
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- Start, Stop, or Status service by clicking the icon
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### Uses
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- A MQTT client is required to operate the phone.
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- The smsquittod.py module gives an example of a client written in python.
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- Library is the Eclipse foundation paho-mqtt
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- Simply implemente ClientMQTTBase class
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- The sms-client.html file is another example but in websocket mode.
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- Directly modify the sms-client.html file
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- Launch it directly in a browser
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- by drag and drop
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- by an address of this type
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- file: ///path/to/file/sms-client.html
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- demonstration
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- sms-client.html is fully functional
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- You just have to update the apikey in this file and in the configuration file on the smartphone
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- Set up some mobile numbers to do the tests
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### Domotiz notification
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- https://www.domoticz.com/wiki/Getting_started
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##### Below is the integration process
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- Send notification from custom HTTP/Action
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- Notification
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- script://notify.sh #FIELD1 #FIELD2 #FIELD3 #FIELD4 #TO #MESSAGE --tls or nothing
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- command
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- /usr/bin/python3 /home/pi/domoticz/scripts/notify.py --method=notify --host=$1 --port=$2 --user=$3 --password=$4 --apikey=$5 --text="$6" $7
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- SMS
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- script://notify.sh #FIELD1 #FIELD2 #FIELD3 #FIELD4 #TO #MESSAGE "00330645953706,0033791246318" --tls or nothing
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- command
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- /usr/bin/python3 /home/pi/domoticz/scripts/smsquitto.py --method=sms --host=$1 --port=$2 --user=$3 --password=$4 --apikey=$5 --text="$6" --phone="$7" $8
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- SSL certification
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- argument --tls, in $7 or $8.
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- certification key in domoticz/scripts/smsquitto.py.
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- You must install python3 paho-mqtt library: pip3 install paho-mqtt
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### API methods
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Message sent and received format:
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- (topic, payload)
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- topic: string that starts with apikey see above
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- apikey/pub/sms
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- apikey/emit/inbox
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- payload: is a Json string
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- {mobile: [mobile1, mobile2, etc ...], subject: "the subject", msg: "the message"}
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- {time: time, payload: payload}
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- topics
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- apikey/pub/sms --> send SMS
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- apikey/pub/notify --> send notification
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- apikey/pub/location --> request for Geographic positioning
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- apikey/pub/inbox --> or all or sent or draft or outbox Read SMS message
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- apikey/pub/kill-service --> stop the service
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