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raspap-webgui/config/client_config/huawei_hilink_api.sh
Christian Zeitnitz 0625fcc5ef Add raspap_helpers.sh
2021-06-18 14:04:56 +02:00

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#!/bin/bash
#
# Huawei Hilink API
# =================
# - communication with Hilink devices via HTTP
# - send a standard http request with a xml formatted string to the device (default IP 192.169.8.1)
# - Howto:
# o "source" this script in your own script from the command line
# o if hilink_host ip/name differs, set "hilink_host=192.168.178.1" before calling any function
# o if the device is locked by a password, set hilink_user="admin"; hilink_password"1234secret"
# _login is called automatically
# only password type 4 is supported
# o if the SIM is requiring a PIN, set "hilink_pin=1234"
# o connect device to network: _switchMobileData ON ( or 1 )
# o disconnect device: _switchMobileData OFF ( or 0 )
# o get informations about the device: _getDeviceInformation and _getStatus and _getNetProvider
# all functions return XML formatted data in $response.
# o _getAllInformations: returns all available informations as key/value pairs (outputs text)
# o Check if device is connected: "if _isConnected; then .... fi"
# o $response can be parsed by calling _valueFromResponse
# e.g "_valueFromResponse msisdn" to get the phone number after a call to _getDeviceInformation
#
#
# Usage of functions
# - call the function with parameters (if required)
# - return code: 0 - success; 1 - failed
# - $status: status information (OK, ERROR)
# - $response: xml response to be parsed for the required information
#
#
# required software: curl, base64, sha256sum, sed
#
# ToDo: improve error handling
#
# zbchristian 2021
#
# Initialization procedure
# ========================
#
# hilink_host=192.168.8.1 # ip address of device
# hilink_user="admin" # user name if locked (default admin)
# hilink_password="1234Secret" # password if locked
# hilink_pin="1234" # PIN of SIM
# _initHilinkAPI # initialize the API
#
# Termination
# ===========
# cleanup the API before quitting the shell
# _closeHilinkAPI (optional: add parameter "save" to save the session/token data for subsequent calls. Valid for a few minutes.)
#
# BE AWARE, THAT THE API USES SOME GLOBAL VARIABLES : hilink_host, user, password, pin, response, status
# USE THESE ONLY TO COMMUNICATE WITH THE API.
# DO NOT USE THE VARIABLE PRE_FIX "hilink_" FOR YOUR OWN VARIABLES
#
hilink_host_default="192.168.8.1"
hilink_save_file="/tmp/hilink_api_saved.dat"
hilink_save_age=60
hilink_header_file="/tmp/hilink_login_hdr.txt"
# initialize
function _initHilinkAPI() {
local age
if [ -z "$hilink_host" ]; then hilink_host=$hilink_host_default; fi
if ! _hostReachable; then return 1; fi
if [ -f $hilink_save_file ]; then # found file with saved data
_getSavedData
age=$(( $(date +%s) - $(stat $hilink_save_file -c %Y) ))
if [[ $age -gt $hilink_save_age ]]; then
rm -f $hilink_save_file
_logout
_sessToken
fi
fi
if [ -z "$hilink_sessID" ] || [ -z "$hilink_token" ]; then _sessToken; fi
_login
return $?
}
function _getSavedData() {
local dat
if [ -f $hilink_save_file ]; then # restore saved session data
dat=$(cat $hilink_save_file)
hilink_sessID=$(echo "$dat" | sed -nr 's/sessionid: ([a-z0-9]*)/\1/ip')
hilink_token=$(echo "$dat" | sed -nr 's/token: ([a-z0-9]*)/\1/ip')
hilink_tokenlist=( $(echo "$dat" | sed -nr 's/tokenlist: ([a-z0-9 ]*)/\1/ip') )
fi
}
# Cleanup
# parameter: "save" - will store sessionid and tokens in file
function _closeHilinkAPI() {
local opt
if [ -z "$hilink_host" ]; then hilink_host=$hilink_host_default; fi
if ! _hostReachable; then return 1; fi
rm -f $hilink_save_file
[ ! -z "$1" ] && opt="${1,,}"
if [ ! -z "$opt" ] && [ "$opt" = "save" ]; then
echo "sessionid: $hilink_sessID" > $hilink_save_file
echo "token: $hilink_token" >> $hilink_save_file
echo "tokenlist: ${hilink_tokenlist[@]}" >> $hilink_save_file
fi
_logout
hilink_tokenlist=""
hilink_sessID=""
hilink_token=""
return 0
}
# get status (connection status, DNS, )
# parameter: none
function _getStatus() {
if _login; then
if _sendRequest "api/monitoring/status"; then
if [ ! -z "$1" ]; then _valueFromResponse "$1"; fi
fi
return $?
fi
return 1
}
function _isConnected() {
local conn
conn=$(_getStatus "connectionstatus")
status="NO"
if [ ! -z "$conn" ] && [ $conn -eq 901 ]; then
status="YES"
return 0
fi
return 1
}
# get device information (device name, imei, imsi, msisdn-phone number, MAC, WAN IP ...)
# parameter: name of parameter to return
function _getDeviceInformation() {
if _login; then
if _sendRequest "api/device/information"; then
if [ ! -z "$1" ]; then _valueFromResponse "$1"; fi
fi
return $?
fi
return 1
}
# get net provider information
# parameter: name of parameter to return
function _getNetProvider() {
if _login; then
if _sendRequest "api/net/current-plmn"; then
if [ ! -z "$1" ]; then _valueFromResponse "$1"; fi
fi
return $?
fi
return 1
}
# get signal level
# parameter: name of parameter to return
function _getSignal() {
if _login; then
if _sendRequest "api/device/signal"; then
if [ ! -z "$1" ]; then _valueFromResponse "$1"; fi
fi
return $?
fi
return 1
}
function _getAllInformations() {
if _getDeviceInformation; then _keyValuePairs; fi
if _getSignal; then _keyValuePairs; fi
if _getNetProvider; then _keyValuePairs; fi
}
# get status of mobile data connection
# parameter: none
function _getMobileDataStatus() {
if _login; then
if _sendRequest "api/dialup/mobile-dataswitch"; then
status=$(_valueFromResponse "dataswitch")
if [ $? -eq 0 ] && [ ! -z "$status" ]; then echo "$status"; fi
fi
return $?
fi
return 1
}
# PIN of SIM can be passed either as $hilink_pin, or as parameter
# parameter: PIN number of SIM card
function _enableSIM() {
#SimState:
#255 - no SIM,
#256 - error CPIN,
#257 - ready,
#258 - PIN disabled,
#259 - check PIN,
#260 - PIN required,
#261 - PUK required
local simstate
if [ ! -z "$1" ]; then hilink_pin="$1"; fi
if ! _login; then return 1; fi
if _sendRequest "api/pin/status"; then
simstate=$(echo $response | sed -rn 's/.*<simstate>([0-9]*)<\/simstate>.*/\1/pi')
if [[ $simstate -eq 257 ]]; then status="SIM ready"; return 0; fi
if [[ $simstate -eq 260 ]]; then
status="PIN required"
if [ ! -z "$hilink_pin" ]; then _setPIN "$hilink_pin"; fi
return $?
fi
if [[ $simstate -eq 255 ]]; then status="NO SIM"; return 1; fi
fi
return 1
}
# obtain session and verification token - stored in vars $hilink_sessID and $token
# parameter: none
function _sessToken() {
hilink_tokenlist=""
hilink_token=""
hilink_sessID=""
response=$(curl -s http://$hilink_host/api/webserver/SesTokInfo -m 5 2> /dev/null)
if [ -z "$response" ]; then echo "No access to device at $hilink_host"; return 1; fi
status=$(echo "$response" | sed -nr 's/.*<code>([0-9]*)<\/code>.*/\1/ip')
if [ -z "$status" ]; then
hilink_token=$(echo $response | sed -r 's/.*<TokInfo>(.*)<\/TokInfo>.*/\1/')
hilink_sessID=$(echo $response | sed -r 's/.*<SesInfo>(.*)<\/SesInfo>.*/\1/')
if [ ! -z "$hilink_sessID" ] && [ ! -z "$hilink_token" ]; then
hilink_sessID="SessionID=$hilink_sessID"
return 0
fi
fi
return 1
}
# unlock device (if locked) with user name and password
# requires stored hilink_user="admin"; hilink_password"1234secret";hilink_host=$hilink_host_default
# parameter: none
function _login() {
local ret encpw pwtype pwtype3 hashedpw pwtype4
if _loginState; then return 0; fi # login not required, or already done
_sessToken
# get password type
if ! _sendRequest "api/user/state-login"; then return 1; fi
pwtype=$(echo "$response" | sed -rn 's/.*<password_type>([0-9])<\/password_type>.*/\1/pi')
if [ -z "$pwtype" ];then pwtype=4; fi # fallback is type 4
ret=1
if [[ ! -z "$hilink_user" ]] && [[ ! -z "$hilink_password" ]]; then
# password encoding
# type 3 : base64(pw) encoded
# type 4 : base64(sha256sum(user + base64(sha256sum(pw)) + token))
pwtype3=$(echo -n "$hilink_password" | base64 --wrap=0)
hashedpw=$(echo -n "$hilink_password" | sha256sum -b | sed -nr 's/^([0-9a-z]*).*$/\1/ip' )
hashedpw=$(echo -n "$hashedpw" | base64 --wrap=0)
pwtype4=$(echo -n "$hilink_user$hashedpw$hilink_token" | sha256sum -b | sed -nr 's/^([0-9a-z]*).*$/\1/ip' )
encpw=$(echo -n "$pwtype4" | base64 --wrap=0)
if [ $pwtype -ne 4 ]; then encpw=$pwtype3; fi
hilink_xmldata="<?xml version='1.0' encoding='UTF-8'?><request><Username>$hilink_user</Username><Password>$encpw</Password><password_type>$pwtype</password_type></request>"
hilink_xtraopts="--dump-header $hilink_header_file"
rm -f $hilink_header_file
_sendRequest "api/user/login"
if [ ! -z "$status" ] && [ "$status" = "OK" ]; then
# store the list of 30 tokens. Each token is valid for a single request
hilink_tokenlist=( $(cat $hilink_header_file | sed -rn 's/^__RequestVerificationToken:\s*([0-9a-z#]*).*$/\1/pi' | sed 's/#/ /g') )
_getToken
hilink_sessID=$(cat $hilink_header_file | grep -ioP 'SessionID=([a-z0-9]*)')
if [ ! -z "$hilink_sessID" ] && [ ! -z "$hilink_token" ]; then ret=0; fi
fi
rm -f $hilink_header_file
fi
return $ret
}
# logout of hilink device
# parameter: none
function _logout() {
if _loginState; then
hilink_xmldata="<?xml version: '1.0' encoding='UTF-8'?><request><Logout>1</Logout></request>"
if _sendRequest "api/user/logout"; then
hilink_tokenlist=""
hilink_sessID=""
hilink_token=""
hilink_login_enabled=""
fi
return $?
fi
return 1
}
# parameter: none
function _loginState() {
local state
status="OK"
if [ -z "$hilink_login_enabled" ]; then _checkLoginEnabled; fi
if [ $hilink_login_enabled -eq 1 ]; then return 0; fi # login is disabled
_sendRequest "api/user/state-login"
state=`echo "$response" | sed -rn 's/.*<state>(.*)<\/state>.*/\1/pi'`
if [ ! -z "$state" ] && [ $state -eq 0 ]; then # already logged in
return 0
fi
return 1
}
function _checkLoginEnabled() {
local state
if _sendRequest "api/user/hilink_login"; then
hilink_login_enabled=0
state=$(echo $response | sed -rn 's/.*<hilink_login>(.*)<\/hilink_login>.*/\1/pi')
if [ ! -z "$state" ] && [ $state -eq 0 ]; then # no login enabled
hilink_login_enabled=1
fi
else
hilink_login_enabled=""
fi
}
# switch mobile data on/off 1/0
# if SIM is locked, $hilink_pin has to be set
# parameter: state - ON/OFF or 1/0
function _switchMobileData() {
local mode
if [ -z "$1" ]; then return 1; fi
_login
mode="${1,,}"
[ "$mode" = "on" ] && mode=1
[ "$mode" = "off" ] && mode=0
if [[ $mode -ge 0 ]]; then
if _enableSIM "$hilink_pin"; then
hilink_xmldata="<?xml version: '1.0' encoding='UTF-8'?><request><dataswitch>$mode</dataswitch></request>"
_sendRequest "api/dialup/mobile-dataswitch"
return $?
fi
fi
return 1
}
# parameter: PIN of SIM card
function _setPIN() {
local pin
if [ -z "$1" ]; then return 1; fi
pin="$1"
hilink_xmldata="<?xml version: '1.0' encoding='UTF-8'?><request><OperateType>0</OperateType><CurrentPin>$pin</CurrentPin><NewPin></NewPin><PukCode></PukCode></request>"
_sendRequest "api/pin/operate"
return $?
}
# Send request to host at http://$hilink_host/$apiurl
# data in $hilink_xmldata and options in $hilink_xtraopts
# parameter: apiurl (e.g. "api/user/login")
function _sendRequest() {
local ret apiurl
status="ERROR"
if [ -z "$1" ]; then return 1; fi
apiurl="$1"
ret=1
if [ -z "$hilink_sessID" ] || [ -z "$hilink_token" ]; then _sessToken; fi
if [ -z "$hilink_xmldata" ];then
response=$(curl -s http://$hilink_host/$apiurl -m 10 \
-H "Cookie: $hilink_sessID")
else
response=$(curl -s -X POST http://$hilink_host/$apiurl -m 10 \
-H "Content-Type: text/xml" \
-H "Cookie: $hilink_sessID" \
-H "__RequestVerificationToken: $hilink_token" \
-d "$hilink_xmldata" $hilink_xtraopts 2> /dev/null)
_getToken
fi
if [ ! -z "$response" ];then
response=$(echo $response | tr -d '\012\015') # delete newline chars
status=$(echo "$response" | sed -nr 's/.*<code>([0-9]*)<\/code>.*/\1/ip') # check for error code
if [ -z "$status" ]; then
status="OK"
response=$(echo "$response" | sed -nr 's/.*<response>(.*)<\/response>.*/\1/ip')
[ -z "$response" ] && response="none"
ret=0
else
status="ERROR $status"
fi
else
status="ERROR"
fi
if [[ "$status" =~ ERROR ]]; then _handleError; fi
hilink_xtraopts=""
hilink_xmldata=""
return $ret
}
# handle the list of tokens available after login
# parameter: none
function _getToken() {
if [ ! -z "$hilink_tokenlist" ] && [ ${#hilink_tokenlist[@]} -gt 0 ]; then
hilink_token=${hilink_tokenlist[0]} # get first token in list
hilink_tokenlist=("${hilink_tokenlist[@]:1}") # remove used token from list
if [ ${#hilink_tokenlist[@]} -eq 0 ]; then
_logout # use the last token to logout
fi
else
_sessToken # old token has been used - need new session
fi
}
# Analyse $status for error code
# return error text in $status
function _handleError() {
local ret txt
txt=$(_getErrorText)
if [ -z "$code" ]; then return 1; fi
ret=0
case "$code" in
101|108003|108007)
ret=1
status="$txt"
;;
108001|108002|108006)
ret=1
status="$txt"
;;
125001|125002|125003)
_sessToken
ret=0
;;
*)
;;
esac
return "$ret"
}
declare -A hilink_err_api
hilink_err_api[101]="Unable to get session ID/token"
hilink_err_api[108001]="Invalid username/password"
hilink_err_api[108002]=${hilink_err_api[108001]}
hilink_err_api[108006]=${hilink_err_api[108001]}
hilink_err_api[108003]="User already logged in - need to wait a bit"
hilink_err_api[108007]="Too many login attempts - need to wait a bit"
hilink_err_api[125001]="Invalid session/request token"
hilink_err_api[125002]=${hilink_err_api[125001]}
hilink_err_api[125003]=${hilink_err_api[125001]}
# check error and return error text
# status passsed in $status, or $1
function _getErrorText() {
local err code errortext
err="$status"
code="0"
if [ ! -z "$1" ]; then err="$1"; fi
if [ -z "$err" ]; then return 1; fi
errortext="$err"
if [[ "$err" =~ ERROR\ *([0-9]*) ]] && [ ! -z "${BASH_REMATCH[1]}" ]; then
code=${BASH_REMATCH[1]}
if [ ! -z "$code" ] && [ ! -z "${hilink_err_api[$code]}" ]; then
errortext="${hilink_err_api[$code]}"
fi
fi
echo $errortext
return 0
}
function _hostReachable() {
local avail
avail=$( timeout 0.5 ping -c 1 $hilink_host | sed -rn 's/.*time=.*/1/p' )
if [ -z "$avail" ]; then status="ERROR: Not reachable"; return 1; fi
status="OK"
return 0;
}
# helper function to parse $response (xml format) for a value
# call another function first!
# parameter: tag-name
function _valueFromResponse() {
local par value
if [ -z "$response" ] || [ -z "$1" ]; then return 1; fi
par="$1"
value=$(echo $response | sed -rn 's/.*<'$par'>(.*)<\/'$par'>.*/\1/pi')
if [ -z "$value" ]; then return 1; fi
echo "$value"
return 0
}
# list all keys of the current xml response
function _keysFromResponse() {
if [ -z "$response" ]; then return 1; fi
echo $response | grep -oiP "(?<=<)[a-z_-]*(?=>)"
return 0
}
# return all key=value pairs of the current xml response
function _keyValuePairs() {
if [ -z "$response" ]; then return 1; fi
echo $response | sed -n 's/<\([^>]*\)>\(.*\)<\/\1>[^<]*/\1=\"\2\"\n/gpi'
return 0
}
hilink_token=""
hilink_tokenlist=""
hilink_sessID=""
hilink_xmldata=""
hilink_xtraopts=""
hilink_host=$hilink_host_default
hilink_user="admin"
hilink_password=""
hilink_pin=""
response=""
status=""
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