tests/ide_tests/opcua_browse_encrypted.sikuli/opcua_service.bash
author Edouard Tisserant <edouard.tisserant@gmail.com>
Sat, 17 Aug 2024 18:44:12 +0200
changeset 3976 86e39be014d8
parent 3820 46f3ca3f0157
permissions -rw-r--r--
IDE: generalize EVT_GRID_CELL_CHANG{ING->ED} (WxPy4)
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#!/bin/bash
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set -x -e
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echo "Instant encrypted OPC-UA server for test"
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rm -f my_cert.pem my_cert.der my_private_key.pem
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yes "" | openssl req -x509 -newkey rsa:2048 -keyout my_private_key.pem -out my_cert.pem \
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        -days 355 -nodes -addext "subjectAltName = URI:urn:example.org:FreeOpcUa:python-opcua"
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openssl x509 -outform der -in my_cert.pem -out my_cert.der
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PROJECT_FILES_DIR=$BEREMIZPATH/tests/projects/opcua_browse_encrypted/project_files
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mkdir $PROJECT_FILES_DIR -p
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cp my_cert.der my_private_key.pem $PROJECT_FILES_DIR
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echo "CERTS READY"
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# Run server
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exec $BEREMIZPYTHONPATH - << EOF
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import sys
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import os
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import time
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import asyncio
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from asyncua import ua, Server
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from asyncua.server.users import User, UserRole
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# Asyncua can't work without (over)simple shared cerificates/privkey.
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# No user is involved in that case, but asyncua needs it.
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# Over permessive User Manager hereafter helps cuting that corner.
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class AllAdminUserManager:
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    def get_user(self, iserver, username=None, password=None, certificate=None):
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        return User(role=UserRole.Admin)
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async def main():
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    server = Server(user_manager=AllAdminUserManager())
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    host = os.environ.get("OPCUA_DEFAULT_HOST", "127.0.0.1")
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    endpoint = "opc.tcp://"+host+":4840/freeopcua/server/"
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    await server.init()
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    server.set_endpoint(endpoint)
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    server.set_security_policy([ua.SecurityPolicyType.Basic256Sha256_SignAndEncrypt])
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    await server.load_certificate("my_cert.der")
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    await server.load_private_key("my_private_key.pem")
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    uri = "http://beremiz.github.io"
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    idx = await server.register_namespace(uri)
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    objects = server.get_objects_node()
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    testobj = await objects.add_object(idx, "TestObject")
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    testvarout = await testobj.add_variable(idx, "TestOut", 1.2)
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    testvar = await testobj.add_variable(idx, "TestIn", 5.6)
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    await testvar.set_writable()
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    await server.start()
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    try:
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        while True:
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            await asyncio.sleep(1)
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            inval = await testvar.get_value()
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            print(inval)
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            await testvarout.set_value(inval*2)
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            sys.stdout.flush()
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    finally:
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        await server.stop()
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asyncio.run(main())
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EOF