95 lines
3.5 KiB
Java
95 lines
3.5 KiB
Java
package com.mattrixwv.cipherstream.controller.polysubstitution;
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import java.util.List;
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import org.slf4j.MDC;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.context.annotation.PropertySource;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestBody;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import com.mattrixwv.cipherstream.aspect.CipherStreamLoggingAspect;
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import com.mattrixwv.cipherstream.polysubstitution.Hill;
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import com.mattrixwv.cipherstream.utils.CipherInfoUtil;
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import com.mattrixwv.cipherstream.utils.CipherParameterUtil;
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import lombok.extern.slf4j.Slf4j;
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import tools.jackson.databind.ObjectMapper;
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import tools.jackson.databind.node.ObjectNode;
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@Slf4j
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@RestController
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@RequestMapping("/hill")
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@PropertySource("classpath:ciphers.properties")
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public class HillCipherController{
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@Value("${cipher.poly.hill.name}")
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private String hillName;
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@Value("${cipher.poly.hill.description}")
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private String hillDescription;
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@Value("#{${cipher.poly.hill.explanation}}")
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private List<String> hillExplanation;
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@Value("#{${cipher.poly.hill.facts}}")
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private List<String> hillFacts;
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@GetMapping
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public ObjectNode getCipherInfo(){
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MDC.put(CipherStreamLoggingAspect.CIPHER_NAME_LOGGING, hillName);
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log.info("Getting info for {}", hillName);
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return CipherInfoUtil.buildInfoNode(hillName, hillDescription, hillExplanation, hillFacts);
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}
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@PostMapping("/encode")
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public ObjectNode encodeHill(@RequestBody ObjectNode cipherParams){
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MDC.put(CipherStreamLoggingAspect.CIPHER_NAME_LOGGING, hillName);
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log.info("Encoding {}", hillName);
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CipherParameterUtil.verifyHillParams(cipherParams);
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boolean preserveCapitals = cipherParams.get(CipherParameterUtil.PRESERVE_CAPITALS).asBoolean();
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boolean preserveWhitespace = cipherParams.get(CipherParameterUtil.PRESERVE_WHITESPACE).asBoolean();
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boolean preserveSymbols = cipherParams.get(CipherParameterUtil.PRESERVE_SYMBOLS).asBoolean();
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int[][] key = new ObjectMapper().treeToValue(cipherParams.get(CipherParameterUtil.HILL_KEY), int[][].class);
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String inputString = cipherParams.get(CipherParameterUtil.INPUT_STRING).asString();
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Hill hill = new Hill(preserveCapitals, preserveWhitespace, preserveSymbols);
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String outputString = hill.encode(key, inputString);
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cipherParams.put(CipherParameterUtil.OUTPUT_STRING, outputString);
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return cipherParams;
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}
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@PostMapping("/decode")
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public ObjectNode decodeHill(@RequestBody ObjectNode cipherParams){
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MDC.put(CipherStreamLoggingAspect.CIPHER_NAME_LOGGING, hillName);
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log.info("Decoding {}", hillName);
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CipherParameterUtil.verifyHillParams(cipherParams);
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boolean preserveCapitals = cipherParams.get(CipherParameterUtil.PRESERVE_CAPITALS).asBoolean();
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boolean preserveWhitespace = cipherParams.get(CipherParameterUtil.PRESERVE_WHITESPACE).asBoolean();
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boolean preserveSymbols = cipherParams.get(CipherParameterUtil.PRESERVE_SYMBOLS).asBoolean();
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int[][] key = new ObjectMapper().treeToValue(cipherParams.get(CipherParameterUtil.HILL_KEY), int[][].class);
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String inputString = cipherParams.get(CipherParameterUtil.INPUT_STRING).asString();
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Hill hill = new Hill(preserveCapitals, preserveWhitespace, preserveSymbols);
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String outputString = hill.decode(key, inputString);
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cipherParams.put(CipherParameterUtil.OUTPUT_STRING, outputString);
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return cipherParams;
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}
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}
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