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Merge pull request #121 from chaitanya-jvnm/create-csharp-snippets
feat: Adding CSharp Snippets
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‎public/consolidated/csharp.json

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[
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{
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"categoryName": "Basics",
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"snippets": [
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{
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"title": "Hello, World!",
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"description": "Prints Hello, World! to the terminal.",
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"author": "chaitanya-jvnm",
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"tags": [
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"c#",
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"printing",
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"hello-world",
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"utility"
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],
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"contributors": [],
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"code": "public class Program {\n public static void Main(string[] args) {\n System.Console.WriteLine(\"Hello, World!\");\n }\n}\n"
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}
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]
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},
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{
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"categoryName": "Guid Utilities",
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"snippets": [
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{
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"title": "Hello, World!",
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"description": "Generates a new GUID",
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"author": "chaitanya-jvnm",
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"tags": [
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"c#",
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"guid",
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"generate",
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"utility"
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],
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"contributors": [],
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"code": "public static string GenerateGuid() {\n return Guid.NewGuid().ToString();\n}\n"
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},
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{
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"title": "Hello, World!",
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"description": "Checks if a string is a valid GUID.",
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"author": "chaitanya-jvnm",
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"tags": [
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"c#",
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"guid",
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"validate",
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"utility"
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],
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"contributors": [],
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"code": "public static bool IsGuid(string str) {\n return Guid.TryParse(str, out _);\n}\n"
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}
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]
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},
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{
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"categoryName": "Jwt Utilities",
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"snippets": [
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{
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"title": "Hello, World!",
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"description": "Decodes a JWT.",
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"author": "chaitanya-jvnm",
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"tags": [
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"c#",
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"jwt",
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"decode",
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"utility"
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],
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"contributors": [],
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"code": "/// <summary>\n/// Decodes the JWT\n/// <summary>\npublic static string DecodeJwt(string token) {\n return new JwtSecurityTokenHandler().ReadJwtToken(token).ToString();\n}\n\n//Example\nstring token = \"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c\";\n\nstring decodedJwt = DecodeJwt(token);\n\nConsole.WriteLine(decodedJwt); //Prints {\"alg\":\"HS256\",\"typ\":\"JWT\"}.{\"sub\":\"1234567890\",\"name\":\"John Doe\",\"iat\":1516239022}\n"
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},
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{
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"title": "Hello, World!",
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"description": "Generates a new JWT.",
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"author": "chaitanya-jvnm",
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"tags": [
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"c#",
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"jwt",
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"generate",
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"utility"
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],
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"contributors": [],
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"code": "public static string GenerateJwt(string secret, string issuer, string audience, int expirationMinutes) {\n var securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret));\n var credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);\n var token = new JwtSecurityToken(issuer, audience, null, expires: DateTime.UtcNow.AddMinutes(expirationMinutes), signingCredentials: credentials);\n return new JwtSecurityTokenHandler().WriteToken(token);\n}\n"
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},
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{
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"title": "Hello, World!",
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"description": "Validates a JWT.",
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"author": "chaitanya-jvnm",
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"tags": [
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"c#",
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"jwt",
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"validate",
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"utility"
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],
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"contributors": [],
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"code": "public static bool ValidateJwt(string token, string secret) {\n var tokenHandler = new JwtSecurityTokenHandler();\n var validationParameters = new TokenValidationParameters {\n ValidateIssuerSigningKey = true,\n IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret)),\n ValidateIssuer = false,\n ValidateAudience = false\n };\n try {\n tokenHandler.ValidateToken(token, validationParameters, out _);\n return true;\n }\n catch {\n return false\n }\n}\n\n//Example\nstring JWT = \"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c\";\n\nstring correctSecret = \"your-256-bit-secret\";\nstring wrongSecret = \"this-is-not-the-right-secret\";\n\nConsole.WriteLine(ValidateJwt(JWT, correctSecret)) // returns True\nConsole.WriteLine(ValidateJwt(JWT, wrongSecret)) // returns False\n\n"
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}
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]
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},
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{
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"categoryName": "List Utilities",
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"snippets": [
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{
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"categoryName": "String Utilities",
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"snippets": [
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{
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"title": "Hello, World!",
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"description": "Makes the first letter of a string uppercase.",
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"author": "chaitanya-jvnm",
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"tags": [
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"c#",
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"string",
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"capitalize",
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"utility"
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],
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"contributors": [],
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"code": "/// <summary>\n/// Capitalize the first character of the string\n/// <summary>\npublic static string Capitalize(this string str) {\n return str.Substring(0, 1).ToUpper() + str.Substring(1);\n}\n\n//Example\nstring example = \"hello\";\nstring captializedExample = example.Capitalize();\nConsole.WriteLine(captializedExample); // prints \"Hello\"\n"
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},
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{
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"title": "Truncate a String",
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"description": "Cut off a string once it reaches a determined amount of characters and add '...' to the end of the string",

‎snippets/csharp/basics/hello-world.md

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---
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title: Hello, World!
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description: Prints Hello, World! to the terminal.
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author: chaitanya-jvnm
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tags: c#,printing,hello-world,utility
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---
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```c#
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public class Program {
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public static void Main(string[] args) {
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System.Console.WriteLine("Hello, World!");
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}
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}
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```

‎snippets/csharp/guid-utilities/generate-guid.md

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---
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title: Hello, World!
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description: Generates a new GUID
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author: chaitanya-jvnm
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tags: c#,guid,generate,utility
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---
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```c#
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public static string GenerateGuid() {
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return Guid.NewGuid().ToString();
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}
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```

‎snippets/csharp/guid-utilities/validate-guid.md

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---
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title: Hello, World!
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description: Checks if a string is a valid GUID.
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author: chaitanya-jvnm
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tags: c#,guid,validate,utility
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---
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```c#
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public static bool IsGuid(string str) {
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return Guid.TryParse(str, out _);
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}
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```

‎snippets/csharp/jwt-utilities/decode-jwt.md

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---
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title: Hello, World!
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description: Decodes a JWT.
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author: chaitanya-jvnm
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tags: c#,jwt,decode,utility
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---
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```c#
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/// <summary>
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/// Decodes the JWT
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/// <summary>
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public static string DecodeJwt(string token) {
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return new JwtSecurityTokenHandler().ReadJwtToken(token).ToString();
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}
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//Example
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string token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c";
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string decodedJwt = DecodeJwt(token);
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Console.WriteLine(decodedJwt); //Prints {"alg":"HS256","typ":"JWT"}.{"sub":"1234567890","name":"John Doe","iat":1516239022}
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```

‎snippets/csharp/jwt-utilities/generate-jwt.md

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---
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title: Hello, World!
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description: Generates a new JWT.
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author: chaitanya-jvnm
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tags: c#,jwt,generate,utility
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---
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```c#
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public static string GenerateJwt(string secret, string issuer, string audience, int expirationMinutes) {
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var securityKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret));
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var credentials = new SigningCredentials(securityKey, SecurityAlgorithms.HmacSha256);
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var token = new JwtSecurityToken(issuer, audience, null, expires: DateTime.UtcNow.AddMinutes(expirationMinutes), signingCredentials: credentials);
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return new JwtSecurityTokenHandler().WriteToken(token);
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}
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```

‎snippets/csharp/jwt-utilities/validate-jwt.md

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---
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title: Hello, World!
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description: Validates a JWT.
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author: chaitanya-jvnm
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tags: c#,jwt,validate,utility
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---
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```c#
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public static bool ValidateJwt(string token, string secret) {
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var tokenHandler = new JwtSecurityTokenHandler();
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var validationParameters = new TokenValidationParameters {
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ValidateIssuerSigningKey = true,
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IssuerSigningKey = new SymmetricSecurityKey(Encoding.UTF8.GetBytes(secret)),
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ValidateIssuer = false,
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ValidateAudience = false
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};
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try {
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tokenHandler.ValidateToken(token, validationParameters, out _);
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return true;
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}
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catch {
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return false
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}
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}
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//Example
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string JWT = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c";
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string correctSecret = "your-256-bit-secret";
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string wrongSecret = "this-is-not-the-right-secret";
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Console.WriteLine(ValidateJwt(JWT, correctSecret)) // returns True
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Console.WriteLine(ValidateJwt(JWT, wrongSecret)) // returns False
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```

‎snippets/csharp/string-utilities/capitalize-first-letter.md

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---
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title: Hello, World!
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description: Makes the first letter of a string uppercase.
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author: chaitanya-jvnm
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tags: c#,string,capitalize,utility
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---
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```c#
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/// <summary>
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/// Capitalize the first character of the string
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/// <summary>
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public static string Capitalize(this string str) {
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return str.Substring(0, 1).ToUpper() + str.Substring(1);
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}
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//Example
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string example = "hello";
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string captializedExample = example.Capitalize();
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Console.WriteLine(captializedExample); // prints "Hello"
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```

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