{"activeVersionTag":"latest","latestAvailableVersionTag":"latest","collection":{"info":{"_postman_id":"114c06b2-685f-40f3-a0a0-ba055005f2b0","name":"Facial Recognition Biometric System","description":"The Facial Recognition Biometric System REST API was developed with Java, Spring Boot and Spring Security.\n\nThe API allows performing CRUD operations on the system's database, receiving an attendance report for each employee in a chosen date range and interacting with the facial recognition algorithm.\n\nA standard employee can only access data about themselves from the API. An admin can access data about all the employees. The CTO can also get a prediction from the facial recognition algorithm and train the algorithm.\n\n<br/>\n\nThe API was designed with the 3 layer architecture. Each endpoint was implemented with 3 classes:\n1. Controller - the presentation layer. It is responsible for correctly routing each HTTP request to the correct Service method and returning the correct information and HTTP status codes.\n2. Service - the business logic layer.\n3. Repository - the data access layer. It includes access to the database for retrieving, inserting, updating and deleting data.\n\n<br/>\n\nThe Spring framework uses dependency injection in order to inject every instance of those classes to the classes that use them. This allows objects to not have to initialize the classes they use, but instead to get them in advance, and by doing so we achieve loosely coupled classes.\n\nUsing dependency injection implements the dependency inversion principle in SOLID. This occurs because there is no dependency on the class implementation. The class that uses it is only dependent on the abstract class. The class that takes the injection doesn't know which implementation it is being injected with, it is only aware of what the interface of that class is.\n\n<br/>\n\nThe API uses JSON Web Token (JWT) for authentication. After authentication the employee received a token. In the next requests the employee will send the token, which will be used for authorization. The token is a string which holds information about the employee. The token can be decoded using a secret key that exists only on the server.\n\nThe usage of a JWT for authentication instead of a session allows preserving the stateless principle in REST. The stateless principle in REST is preserved because by using a JWT every request is independent from any other request. \n\nThe stateless principle is not preserved with a session authentication. The session's details need to be saved on the server (in the memory or in the database). In every request the client sends a cookie that is used as an id for the session. The fact that the session's details are being saved on the server violates the stateless principle that states the client and server must not save details about each other.","schema":"https://schema.getpostman.com/json/collection/v2.0.0/collection.json","isPublicCollection":false,"owner":"14799541","collectionId":"114c06b2-685f-40f3-a0a0-ba055005f2b0","publishedId":"UUy1emcF","public":true,"publicUrl":"https://documenter-api.postman.tech/view/14799541/UUy1emcF","privateUrl":"https://go.postman.co/documentation/14799541-114c06b2-685f-40f3-a0a0-ba055005f2b0","customColor":{"top-bar":"FFFFFF","right-sidebar":"303030","highlight":"EF5B25"},"documentationLayout":"classic-double-column","customisation":null,"version":"8.11.6","publishDate":"2021-09-29T18:43:24.000Z","activeVersionTag":"latest","documentationTheme":"light","metaTags":{},"logos":{}},"statusCode":200},"environments":[],"user":{"authenticated":false,"permissions":{"publish":false}},"run":{"button":{"js":"https://run.pstmn.io/button.js","css":"https://run.pstmn.io/button.css"}},"web":"https://www.getpostman.com/","team":{"logo":"https://res.cloudinary.com/postman/image/upload/t_team_logo_pubdoc/v1/team/768118b36f06c94b0306958b980558e6915839447e859fe16906e29d683976f0","favicon":""},"isEnvFetchError":false,"languages":"[{\"key\":\"csharp\",\"label\":\"C#\",\"variant\":\"HttpClient\"},{\"key\":\"csharp\",\"label\":\"C#\",\"variant\":\"RestSharp\"},{\"key\":\"curl\",\"label\":\"cURL\",\"variant\":\"cURL\"},{\"key\":\"dart\",\"label\":\"Dart\",\"variant\":\"http\"},{\"key\":\"go\",\"label\":\"Go\",\"variant\":\"Native\"},{\"key\":\"http\",\"label\":\"HTTP\",\"variant\":\"HTTP\"},{\"key\":\"java\",\"label\":\"Java\",\"variant\":\"OkHttp\"},{\"key\":\"java\",\"label\":\"Java\",\"variant\":\"Unirest\"},{\"key\":\"javascript\",\"label\":\"JavaScript\",\"variant\":\"Fetch\"},{\"key\":\"javascript\",\"label\":\"JavaScript\",\"variant\":\"jQuery\"},{\"key\":\"javascript\",\"label\":\"JavaScript\",\"variant\":\"XHR\"},{\"key\":\"c\",\"label\":\"C\",\"variant\":\"libcurl\"},{\"key\":\"nodejs\",\"label\":\"NodeJs\",\"variant\":\"Axios\"},{\"key\":\"nodejs\",\"label\":\"NodeJs\",\"variant\":\"Native\"},{\"key\":\"nodejs\",\"label\":\"NodeJs\",\"variant\":\"Request\"},{\"key\":\"nodejs\",\"label\":\"NodeJs\",\"variant\":\"Unirest\"},{\"key\":\"objective-c\",\"label\":\"Objective-C\",\"variant\":\"NSURLSession\"},{\"key\":\"ocaml\",\"label\":\"OCaml\",\"variant\":\"Cohttp\"},{\"key\":\"php\",\"label\":\"PHP\",\"variant\":\"cURL\"},{\"key\":\"php\",\"label\":\"PHP\",\"variant\":\"Guzzle\"},{\"key\":\"php\",\"label\":\"PHP\",\"variant\":\"HTTP_Request2\"},{\"key\":\"php\",\"label\":\"PHP\",\"variant\":\"pecl_http\"},{\"key\":\"powershell\",\"label\":\"PowerShell\",\"variant\":\"RestMethod\"},{\"key\":\"python\",\"label\":\"Python\",\"variant\":\"http.client\"},{\"key\":\"python\",\"label\":\"Python\",\"variant\":\"Requests\"},{\"key\":\"r\",\"label\":\"R\",\"variant\":\"httr\"},{\"key\":\"r\",\"label\":\"R\",\"variant\":\"RCurl\"},{\"key\":\"ruby\",\"label\":\"Ruby\",\"variant\":\"Net::HTTP\"},{\"key\":\"shell\",\"label\":\"Shell\",\"variant\":\"Httpie\"},{\"key\":\"shell\",\"label\":\"Shell\",\"variant\":\"wget\"},{\"key\":\"swift\",\"label\":\"Swift\",\"variant\":\"URLSession\"}]","languageSettings":[{"key":"csharp","label":"C#","variant":"HttpClient"},{"key":"csharp","label":"C#","variant":"RestSharp"},{"key":"curl","label":"cURL","variant":"cURL"},{"key":"dart","label":"Dart","variant":"http"},{"key":"go","label":"Go","variant":"Native"},{"key":"http","label":"HTTP","variant":"HTTP"},{"key":"java","label":"Java","variant":"OkHttp"},{"key":"java","label":"Java","variant":"Unirest"},{"key":"javascript","label":"JavaScript","variant":"Fetch"},{"key":"javascript","label":"JavaScript","variant":"jQuery"},{"key":"javascript","label":"JavaScript","variant":"XHR"},{"key":"c","label":"C","variant":"libcurl"},{"key":"nodejs","label":"NodeJs","variant":"Axios"},{"key":"nodejs","label":"NodeJs","variant":"Native"},{"key":"nodejs","label":"NodeJs","variant":"Request"},{"key":"nodejs","label":"NodeJs","variant":"Unirest"},{"key":"objective-c","label":"Objective-C","variant":"NSURLSession"},{"key":"ocaml","label":"OCaml","variant":"Cohttp"},{"key":"php","label":"PHP","variant":"cURL"},{"key":"php","label":"PHP","variant":"Guzzle"},{"key":"php","label":"PHP","variant":"HTTP_Request2"},{"key":"php","label":"PHP","variant":"pecl_http"},{"key":"powershell","label":"PowerShell","variant":"RestMethod"},{"key":"python","label":"Python","variant":"http.client"},{"key":"python","label":"Python","variant":"Requests"},{"key":"r","label":"R","variant":"httr"},{"key":"r","label":"R","variant":"RCurl"},{"key":"ruby","label":"Ruby","variant":"Net::HTTP"},{"key":"shell","label":"Shell","variant":"Httpie"},{"key":"shell","label":"Shell","variant":"wget"},{"key":"swift","label":"Swift","variant":"URLSession"}],"languageOptions":[{"label":"C# - HttpClient","value":"csharp - HttpClient - C#"},{"label":"C# - RestSharp","value":"csharp - RestSharp - C#"},{"label":"cURL - cURL","value":"curl - cURL - cURL"},{"label":"Dart - http","value":"dart - http - Dart"},{"label":"Go - Native","value":"go - Native - Go"},{"label":"HTTP - HTTP","value":"http - HTTP - HTTP"},{"label":"Java - OkHttp","value":"java - OkHttp - Java"},{"label":"Java - Unirest","value":"java - Unirest - Java"},{"label":"JavaScript - Fetch","value":"javascript - Fetch - JavaScript"},{"label":"JavaScript - jQuery","value":"javascript - jQuery - JavaScript"},{"label":"JavaScript - XHR","value":"javascript - XHR - JavaScript"},{"label":"C - libcurl","value":"c - libcurl - C"},{"label":"NodeJs - Axios","value":"nodejs - Axios - NodeJs"},{"label":"NodeJs - Native","value":"nodejs - Native - NodeJs"},{"label":"NodeJs - Request","value":"nodejs - Request - NodeJs"},{"label":"NodeJs - Unirest","value":"nodejs - Unirest - NodeJs"},{"label":"Objective-C - NSURLSession","value":"objective-c - NSURLSession - Objective-C"},{"label":"OCaml - Cohttp","value":"ocaml - Cohttp - OCaml"},{"label":"PHP - cURL","value":"php - cURL - PHP"},{"label":"PHP - Guzzle","value":"php - Guzzle - PHP"},{"label":"PHP - HTTP_Request2","value":"php - HTTP_Request2 - PHP"},{"label":"PHP - pecl_http","value":"php - pecl_http - PHP"},{"label":"PowerShell - RestMethod","value":"powershell - RestMethod - PowerShell"},{"label":"Python - http.client","value":"python - http.client - Python"},{"label":"Python - Requests","value":"python - Requests - Python"},{"label":"R - httr","value":"r - httr - R"},{"label":"R - RCurl","value":"r - RCurl - R"},{"label":"Ruby - Net::HTTP","value":"ruby - Net::HTTP - Ruby"},{"label":"Shell - Httpie","value":"shell - Httpie - Shell"},{"label":"Shell - wget","value":"shell - wget - Shell"},{"label":"Swift - URLSession","value":"swift - URLSession - Swift"}],"layoutOptions":[{"value":"classic-single-column","label":"Single Column"},{"value":"classic-double-column","label":"Double Column"}],"versionOptions":[],"environmentOptions":[{"value":"0","label":"No Environment"}],"canonicalUrl":"https://documenter.gw.postman.com/view/metadata/UUy1emcF"}