Tag: PASSWORD

how to copy an image correctly from a Raspberry Pi to a remote machine using sftp

Post author By Full Stack
Post date April 12, 2021
No Comments on how to copy an image correctly from a Raspberry Pi to a remote machine using sftp

I’m using paramiko to establish a connection, and run an existing script called grabber.py on a Raspberry pi module to capture the images continuously. Now my problem is that: sometimes the getImage function tries to read the image, while the grabber.py script is writing the image to raspberry pi module at the same time. How […]

Tags $username, 768) cap = cv2.VideoCapture(0) cap.set(cv2.CAP_PROP_FRAME_WIDTH, and run an existing script called grabber.py on a Raspberry pi module to capture the images continuously. Now my problem is that: sometimes, but the problem still when I try to getImage more than once, cmd_to_execute, command to be excuted on the Raspberry pi. @param: keyfilename, even with delay 1.5 seconds between two calls of the function. grabber script import cv2 from time import sleep resolution = (1024, frame = cap.read() cv2.imwrite('/home/pi1/vision/image.jpg', frame) cap.release() Remote machine code class communicator(): def __init__(self, host, host address 192.168.0.40, I'm using paramiko to establish a connection, integer. """ self.host = host self.username = username self.password = password self.port = p, keyfilename=None): """ Function: commander, localPath, localPath+'image.jpg') self.commander('sudo rm vision/image.jpg') sftp.close() transport.close() # print('Up, PASSWORD, password = self.password) sftp = paramiko.SFTPClient.from_transport(transport) sftp.get(remotePath, password = self.password) ssh_stdin, pkey=k) ssh_stdin, port=22): """ Class communicator: Read images remotely. --- Parameters: @param: host, remotePath='vision/image.jpg'): """ Function: getImage, resolution[0]) # max: 2592 cap.set(cv2.CAP_PROP_FRAME_HEIGHT, resolution[1]) # max: 1944 status, self.port)) transport.connect(username = self.username, ssh key file name. --- @return: None. """ if(keyfilename is None): ssh = paramiko.SSHClient(), ssh_stderr = ssh.exec_command(cmd_to_execute) channel = ssh_stdout.channel status = channel.recv_exit_status(), ssh_stdout, string, thanks for @MartinPrikryl for his note, the password. @param: port, the path to the destination folder. @param: remotePath, the path to the image on the Pi. --- @return: None. """ transport = paramiko.Transport((self.host, the username. @param: password, to copy the image from the Raspberry pi to a localPath in PC. --- Parameters: @param: localPath, to send commands to the Raspberry pi. --- Parameters: @param: cmd_to_execute, username = self.username, username=USER, while the grabber.py script is writing the image to raspberry pi module at the same time. How can I get my image correctly while I'm calling, www.something.org @param: username

Mastering Development

Cannot read property ‘token’ of undefined reactjs Jwt Auth

Post author By Full Stack
Post date April 12, 2021
No Comments on Cannot read property ‘token’ of undefined reactjs Jwt Auth

Cannot read property ‘token’ of undefined Screenshot Attached // Auth Service.js const login = (username, password) => { return axios .post(API_URL + "signin", { username, password, }) .then((response) => { if (response.data && response.data.data && response.data.data.token) { localStorage.setItem("user", JSON.stringify(response.data)); } return response.data; }) .catch((err) => { console.log("An error occured: ", err); }); }; im getting […]

Tags (error) => { const message = (error.response && error.response.data && error.response.data.message) ||, }) .then((response) => { if (response.data && response.data.data && response.data.data.token) { localStorage.setItem("user", }); dispatch({ type: SET_MESSAGE, }); return Promise.reject(); } ); }; // Login.js const handleLogin = (e) => { e.preventDefault(); setLoading(true);, }); return Promise.resolve(); }, $username, also i want to show if the email or password is wrong i want to get the API server response message and show the response message below login, Cannot read property 'token' of undefined Screenshot Attached // Auth Service.js const login = (username, err); }); }; im getting this error if the credentials are not correct, its working fine if the login details are correct, JSON.stringify(response.data)); } return response.data; }) .catch((err) => { console.log("An error occured: ", PASSWORD, password) => (dispatch) => { return AuthService.login(username, password) => { return axios .post(API_URL + "signin", password).then( (data) => { dispatch({ type: LOGIN_SUCCESS, password)) .then(() => { props.history.push("/home"); window.location.reload(); }) .catch(() => {, payload: { user: data }, payload: message

Mastering Development

Can I build a serializer that validates username and email existence on is_valid call?

Post author By Full Stack
Post date April 8, 2021
No Comments on Can I build a serializer that validates username and email existence on is_valid call?

guys! I have this serializer class for the user model class UserSerializer(serializers.ModelSerializer): username = serializers.RegexField("^(?=.{6,20}$)(?![_.])(?!.*[_.]{2})[a-zA-Z0-9._]+(?<![_.])$") full_name = serializers.RegexField("^([a-zA-Z]{2,}\s[a-zA-Z]{1,}’?-?[a-zA-Z]{2,}\s?([a-zA-Z]{1,})?)") email = serializers.EmailField() phone = serializers.RegexField("^(\+\d{1,2}\s?)?1?\-?\.?\s?$?\d{3}$?[\s.-]?\d{3}[\s.-]?\d{4}$") class Meta: model = User fields = [‘username’, ‘full_name’, ’email’, ‘password’, ‘phone’] This is my serializer class for the moment. I want to validate that the username and email does not […]

Tags 'phone'] This is my serializer class for the moment. I want to validate that the username and email does not exist before saving an user. Ca, })?)") email = serializers.EmailField() phone = serializers.RegexField("^(\+\d{1, }[.][a-zA-Z]{2, }\s[a-zA-Z]{1, 2}\s?)?1?\-?\.?\s?$?\d{3}$?[\s.-]?\d{3}[\s.-]?\d{4}$") class Meta: model = User fields = ['username', 20}$)(?![_.])(?!.*[_.]{2})[a-zA-Z0-9._]+(?<![_.])$") full_name = serializers.RegexField("^([a-zA-Z]{2, EMAIL, full_name, guys! I have this serializer class for the user model class UserSerializer(serializers.ModelSerializer): username = serializers.RegexFie, PASSWORD

Mastering Development

Null Pointer Exception on Accessing CrudRepository Methods

Post author By Full Stack
Post date April 3, 2021
No Comments on Null Pointer Exception on Accessing CrudRepository Methods

I am facing Null Pointer Exception when accessing CrudRepository method inside a class. MessageReceiverListenerImpl. I am not really able to figure out what the issue is.. Since the MessageReceiverListenerImpl instantiated inside ServiceImplI have passed SMSRepo as a parameter instead of Autowiring SMSRepo inside MessageReceiverListenerImpl. I also tried autowiring SMSRepo in MessageReceiverListenerImpl as well. Still I […]

Tags "MessageId", "MessageStatus", "systemId": "XX", @Value("${DELIVERY_RECEIPT_TYPE}") String deliveryReceiptType) { this.host = host; this.port = port; this.systemId =, @Value("${DEST_ADDR_NPI}") byte destAddrNPI, @Value("${DEST_ADDR_TON}") byte destAddrTON, @Value("${PASSWORD}") String password, @Value("${PORT}") int port, @Value("${SERVERTYPE}") String serverType, @Value("${SERVICE_TYPE}") String serviceType, @Value("${SOURCE_ADDR_NPI}") byte sourceAddrNPI, @Value("${SOURCE_ADDR_TON}") byte sourceAddrTON, @Value("${SOURCEMSISDN}") String sourceMSISDN, @Value("${SYSTEMID}") String systemId, /**] in 'resourceHandlerMapping' 2021-04-02 23:12:11.784 DEBUG 16848 --- [ main] .m.m.a.ExceptionHandlerExceptionResolver : Control, | / / / / =========|_|==============|___/=/_/_/_/ :: Spring Boot :: (v2.2.4.RELEASE) 2021-04-02 23:11:58.293 INFO 16848 --- [, 0 @InitBinder, 1 RequestBodyAdvice, 1 ResponseBodyAdvice 2021-04-02 23:12:11.666 DEBUG 16848 --- [ main] s.w.s.m.m.a.RequestMappingHandlerMapping : 4 mappings in 'requ, 1 ResponseBodyAdvice 2021-04-02 23:12:13.021 INFO 16848 --- [ main] o.s.b.w.embedded.tomcat.TomcatWebServer : Tomcat started on p, application/*+json] 2021-04-02 23:12:31.631 DEBUG 16848 --- [nio-8090-exec-1] o.s.w.s.m.m.a.HttpEntityMethodProcessor : Writing [com.vodacom, application/json, database queries may be performed during view rendering. Explicitly configure spring.jpa.open-in-view to disable this warning 2021-04-02 23:1, DataIntegrityViolationException, deliverSm .getSourceAddr(), deliverSm.getServiceType()); String destinationAddress = deliverSm.getDestAddress(); log.info("dest address {}", destinationAddress, destinationAddress .substring(sourceMSISDN.length())); } } } } Error . ____ _, destinationAddress .substring(sourceMSISDN.length())); } } else if (deliverSm.getServiceType().eq, destinationAddress .substring(sourceMSISDN.length())); if (smsRecord.isPresent()) { SMS upd, destinationAddress .substring(sourceMSISDN.length())); public class MessageReceiverListenerImpl implements MessageReceiverListener { Lo, destinationAddress .substring(sourceMSISDN.length())); String messageID = message .subst, destinationAddress .substring(sourceMSISDN.length()));** if (smsRecord.isPresent()) { SMS up, destinationAddress); if (deliverSm.getServiceType().equals("CMT")) { // Delivery Status log.info("Processing, falling back to default profiles: default 2021-04-02 23:12:00.549 INFO 16848 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate, given [*/*] and supported [application/json, host, I am facing Null Pointer Exception when accessing CrudRepository method inside a class. MessageReceiverListenerImpl. I am not really able to, Integer maximumMultipartMessageSegmentSize); boolean isEncodeableInGsm0338(String isoString); // public String sendShortMessage(Shor, message .indexOf(" ", message .indexOf(" ")); String messageStatus = message .substring(message.indexOf, message.indexOf("stat:") + 5)); **//the below line is 70 causing exception** **Optional smsRecord = SMSRepo.find, message); log.info("Service Type {}", messageRef, messageRef); } } } Service public interface SMSService { String buildAndSendSMS(SMS newSms) throws UnsupportedEncodingExce, messageRef); } else { log.info("SMS record exists already with message ref {} for MSISDN {}", messageRef); if (!smsRecord.isPresent()) { log.info("Sending SMS and updating DB"); return SMSService.sendSM, new BindParameter(BindType.BIND_TRX, newSms .getTargetMSISDN()); SMS smsToUpdate = smsRecord.get(); smsToUpdate.setExpiryTimestamp(new, null)); log.info("Connected to SMPP Server with system id {}", NumberingPlanIndicator.UNKNOWN, parameters={} 2021-04-02 23:12:30.187 DEBUG 16848 --- [nio-8090-exec-1] s.w.s.m.m.a.RequestMappingHandlerMapping : Mapped to com.vodacom.sms., PASSWORD, port, port xxx, servertype {}, servertype cp, Session source) throws ProcessRequestException { // TODO Auto-generated method stub return null; } @Over, SMS.class); log.info("Initiated Callback for Delivery Receipt"); } catch (Ex, SMS.class); log.info("Initiated Callback for Response"); } catch (Exception e) {, smsDatabase SMSRepo) { this.sourceMSISDN = sourceMSISDN; this.SMSRepo = SMSRepo; } @Override public DataSmResult, SMSRepo));** } catch (IOException e) { System.out.println("Failed to connect with SMPP server " + systemId);, sourceMSISDN {} ", sourceMSISDN xxx 2021-04-02 23:12:10.433 INFO 16848 --- [ main] org.jsmpp.session.SMPPSession : Connected to /xxx 2021, sourceMSISDN); String systemNo = session .connectAndBind(host, StandardCharsets.US_ASCII); log.info("Message ... {}", String messageRef) throws UnsupportedEncodingException; byte[][] splitUnicodeMessage( byte[] aMessage, String messageRef); } ServiceImpl @Service public class SMSServiceImpl implements SMSService { **@Autowired** **public smsDatabase, systemid, systemNo); ^^session.setMessageReceiverListener(new MessageReceiverListenerImpl(sourceMSISDN, TypeOfNumber.UNKNOWN, UnsupportedEncodingException { String messageRef = smsService.setMessageRef(); SMS smsToSend = new SMS(newSms); Op, updateSms, updateSms .getMessageUuidRef()); if (updateSms.getDeliveryReceiptFlag()) { try {, updateSms .getMessageUuidRef()); updateSms.setMoMessageReply(message); updateSms.set

Mastering Development

Error: Unknown authentication strategy “local” while trying to signin

Post author By Full Stack
Post date April 1, 2021
No Comments on Error: Unknown authentication strategy “local” while trying to signin

I have been building this project from a tutorial. The signup functionality works fine but the login feature doesn’t work. Whenever I try logging in a registered user using postman the error I get is Error: Unknown authentication strategy "local" In the other posts on stack overflow, I didn’t find a solution to this error. […]

Tags (payload, (req, { expiresIn: '1h', { session: false }), }, } ); }; router.post( '/signin', }; // Authorization for protected routes passport.use( new JWTStrategy(jwtOptions, }); } } ); module.exports = router;, }); res.status(200).json({ isAuthenticated: true, $username, done) => { User.findById({ _id: payload.sub }, done) => { User.findOne({ username }, done); }); }) ); routes.js require('dotenv').config(); const express = require('express'); const passport = require('passport'), EMAIL, email } = req.user; const token = signToken(_id); res.cookie('access_token', err, false); }); }) ); // Local strategy using username and password passport.use( new LocalStrategy((username, false); // Check if entered password matches user.comparePassword(password, false); // Check if user exists if (user) return done(null, httpOnly: true, I didn't find a solution to this error. Passport, I have been building this project from a tutorial. The signup functionality works fine but the login feature doesn't work. Whenever I try log, passport-local and passport-jwt are all installed so that shouldn't be the issue. I would really appreciate any sort of help. passport.js r, passport.authenticate("local", PASSWORD, res) => { if (req.isAuthenticated()) { const { _id, sameSite: true, secretOrKey: STRATEGY_KEY, STRATEGY_KEY, sub: userID, token), user: "username", user) => { // Check for error if (err) return done(err, user) => { // Error while fetching the user from database if (err) return done(err); // No such user exi, user); } return done(null

Mastering Development

Unable to login with MD5 encypted password in core php

Post author By Full Stack
Post date March 24, 2021
No Comments on Unable to login with MD5 encypted password in core php

I want to login with saved credentials in user table using core php, my password is saved in encrypted form in MD5 in database user table, i want to login with email and password, but when i encrypted my password while login password do not match with database table password, please help me, how can […]

Tags $dbname); if ($conn->connect_error) { die("Connection failed: " . $conn->connect_error); } ?>, $query); $row = mysqli_fetch_assoc($result); if($row > 0){ if($admin == $row['email'] && $password == $row[, $username, but when i encrypted my password while login password do not match with database table password, how can i login with encrypted md5 password. here is my code. index.html, i want to login with email and password, I want to login with saved credentials in user table using core php, my password is saved in encrypted form in MD5 in database user table, PASSWORD, please help me.

Mastering Development

user_session is not working (Codeigniter, Ajax)

Post author By Full Stack
Post date March 19, 2021
No Comments on user_session is not working (Codeigniter, Ajax)

newbie here. I have an ajax login function. The login has no problem but the session there is. The problem I’m encountering is whenever I’m calling the session, it is not working. I used print_r($this->session->all_userdata()); to see the user_session data but I’m not getting anything with it. Is there anything I missed? Any help will […]

Tags 'account_type' => $R["account_type"], 'block'); $("#errorMessage").html(''); $.ajax({ url: "", 'block'); $("#errorMessage").html(data.errors); //alert("SORRY. " + data.errors);, 'block'); $("#errorMessage").html(data.errors); setTimeout("wind, 'block'); $("#submit_preloader").css('display', 'commCurrentBalance' => ["commCurrentBalance"] ); $this->session->set_userdata($arrSession); //print_r( $th, 'currentPoints' => $R['currentPoints'], 'email' => $R["email"], 'firstname' => $R['firstname'], 'lastname' => $R["lastname"], 'mobile' => $R["mobile"], 'none'); $("#errorMessage").css('display', 'none'); $("#submit_preloader").css('display', 'password' => MD5(trim($this->input->post('formPassword'))), 'password'=> $R["password"], 'required|min_length[8]|max_length[35]'); $success = $this->form_validation->run($this); if($success) {, 'required|min_length[8]|max_length[35]'); $this->form_validation->set_rules('formPassword', 'username' => $R["username"], ); // $data['response'] = "false"; // $data['errors'] = 'Processing'; if(, }); }); }); Controller: public function dologin() { //die('i, $data['password'])); if($Q->num_rows() > 0) { $R = $Q->row_array(); $arrSessio, $username, 300); } else { $("#errorMessage").css('display', array($data['username'], async: false, data: $(this).serialize(), dataType: 'JSON', it is not working. I used print_r($this->session->all_userdata()); to see the user_session data but I'm not getting anything with it. Is ther, newbie here. I have an ajax login function. The login has no problem but the session there is. The problem I'm encountering is whenever I'm c, None, PASSWORD, success: function(data){ if(data.response == "true") { $("#doLogin")[0].reset();, type: 'POST'

Mastering Development

How do I safe a asset image in a string variable?

Post author By Full Stack
Post date March 19, 2021
No Comments on How do I safe a asset image in a string variable?

My database have a property that I named url . And in that I wanna safe a Picture that user can upload but here’s my problem . On Register when I safe the user data including the url .I don’t let user to upload a picture . That process can be done inside the app. […]

Tags 'dfdssf')).user.uid;; } on FirebaseAuthException catch (e) { switch (e.code) { case 'invalid-email': {, 'new crew member', ), ) : Image.asset('assets/$img1.png'), ) : userData.url != null && userData.url != "image1" ? Image.network(, ); } And then I wanna use it like that in my method : String img1= "image1"; decoration: BoxDecoration(, // Your widget is here when image is no available. ), 100, border:new Border.all( color:Colors.black, But when trying to register user im getting unexpected error And console looks like that : Performing hot restart... Syncing files to device, child: _pickedImage != null ? Image.file( _pickedImage, decoration: new BoxDecoration( shape: BoxShape.circle, fit: BoxFit.cover, fullName, My database have a property that I named url . And in that I wanna safe a Picture that user can upload but here's my problem . On Register wh, PASSWORD, password: password); result.user?.sendEmailVerification(); User user = result?.user; await DatbaseService(uid: user.uid).u, String fullname, String password, string URL, String username) async { try { UserCredential result = await _auth.createUserWithEmailAndPassword(email: email, url, username); if (authError != null) { setState(() => jawoll = true); setState(() => error = authE, username); return _userFromFirebaseUser(user); //user.sendEmailVerification(); //( await DatbaseService(uid:user).updateUse, width: "5%"

Mastering Development

Hashicorp Packer creating windows 2019 template in Vsphpere-iso

Post author By Full Stack
Post date March 18, 2021
No Comments on Hashicorp Packer creating windows 2019 template in Vsphpere-iso

I am in the process of creating a Packer file to create a Windows 2019 standard edition server template. The initial step works without any obvious errors and creates a template. However. when creating a new server from the template. I get the following behaviour. Open up a web console and the ctrl-alt-insert keys do […]

Tags "--cpus", "../scripts/disable-network-discovery.cmd", "../scripts/enable-rdp.cmd", "../scripts/enable-winrm.ps1", "../scripts/install-vm-tools.ps1", "../scripts/set-temp.ps1" ] } ] }, "[] /vmimages/tools-isoimages/windows.iso" ], "boot_command": [ "", "boot_wait": "2s", "communicator": "winrm", "convert_to_template": "true", "datacenter": "", "disk_controller_type": "lsilogic-sas", "disk_thin_provisioned": true } ], "firmware": "efi", "floppy_files": [ "autounattend.xml", "guest_os_type": "windows9Server64Guest", "insecure_connection": "true", "iso_paths": [ "", "network_adapters": [ { "network": "", "network_card": "vmxnet3" } ], "ram, "RAM_reserve_all": true, "storage": [ { "disk_size": "", "vcenter_server": ", "vm_name" : "", "winrm_password": "", "winrm_username": "Administrator", $username, cluster, DataStore, folder), I am in the process of creating a Packer file to create a Windows 2019 standard edition server template. The initial step works without any o, I have managed to get it working manually by altering the video settings to auto detect so it fills the screen but have limited success with, it requires the send ctrl-alt-delete button to be clicked. The screen is fixed to a standard resolution and does not fill the screen. I do, PASSWORD

Mastering Development

Can’t proper read SQL table in python

Post author By Full Stack
Post date March 18, 2021
No Comments on Can’t proper read SQL table in python

I’m connecting to a Oracle database using the following code: jar = ojdbc8.jar path jvm_path = jvm.dll path args = ‘-Djava.class.path=%s’ % jar jpype.startJVM(jvm_path, args) con = jaydebeapi.connect("oracle.jdbc.driver.OracleDriver", url,[user, password], jar) The connection works fine, however the data is returned in this odd format: preview of the result The number and dates are imported correct, […]

Tags args) con = jaydebeapi.connect("oracle.jdbc.driver.OracleDriver", but not the varchar columns. I tried different tables and all of those have these problem. I haven't seen anything like that on anywhere. Ho, however the data is returned in this odd format: preview of the result The number and dates are imported correct, I'm connecting to a Oracle database using the following code: jar = ojdbc8.jar path jvm_path = jvm.dll path args = '-Djava.class.path=%s' %, jar) The connection works fine, PASSWORD, url, User>();