Commit: 690c1f6

Commit Details

SHA	`690c1f6ce426c62c29e87ac132dda0f8125192ff`
Tree	`5a67fd55b56735ab4e469c7d06c1c73c4c2b4c20`
Author	<f69e50@finnacloud.com> 1766368110 +0300
Committer	<f69e50@finnacloud.com> 1766368110 +0300
Message	initialize backend structure with controllers, DTOs, and configuration files
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File: src/main/java/com/paymentlink/service/NodeIdService.java

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      package com.paymentlink.service;
    
      import org.slf4j.Logger;
    
      import org.slf4j.LoggerFactory;
    
      import org.springframework.beans.factory.annotation.Value;
    
      import org.springframework.stereotype.Service;
    
      import java.io.IOException;
    
      import java.nio.file.Files;
    
      import java.nio.file.Path;
    
      import java.nio.file.Paths;
    
      import java.security.SecureRandom;
    
      @Service
    
      public class NodeIdService {
    
          private static final Logger logger = LoggerFactory.getLogger(NodeIdService.class);
    
          private static final SecureRandom RANDOM = new SecureRandom();
    
          private static final String CHARACTERS = "abcdefghijklmnopqrstuvwxyz0123456789";
    
          @Value("${app.server-id-file:incl/server-id.txt}")
    
          private String serverIdFile;
    
          @Value("${app.tld:ironpath.ai}")
    
          private String tld;
    
          private String nodeId;
    
          /**
    
           * Get or create node ID
    
           */
    
          public String getNodeId() {
    
              if (nodeId == null) {
    
                  nodeId = loadOrCreateNodeId();
    
              }
    
              return nodeId;
    
          }
    
          /**
    
           * Get short ID (without TLD)
    
           */
    
          public String getShortId() {
    
              String fullId = getNodeId();
    
              return fullId.split("\\.")[0];
    
          }
    
          private String loadOrCreateNodeId() {
    
              try {
    
                  Path filePath = Paths.get(serverIdFile);
    
                  // Ensure parent directory exists
    
                  if (filePath.getParent() != null) {
    
                      Files.createDirectories(filePath.getParent());
    
                  }
    
                  // Try to read existing ID
    
                  if (Files.exists(filePath)) {
    
                      String id = Files.readString(filePath).trim();
    
                      if (!id.isEmpty()) {
    
                          logger.info("Loaded existing server ID: {}", id);
    
                          return id;
    
                      }
    
                  }
    
                  // Generate new ID
    
                  String newId = generateNodeId();
    
                  Files.writeString(filePath, newId);
    
                  logger.info("Generated new server ID: {}", newId);
    
                  return newId;
    
              } catch (IOException e) {
    
                  logger.error("Failed to load/create server ID file", e);
    
                  // Generate temporary ID
    
                  String tempId = generateNodeId();
    
                  logger.warn("Using temporary server ID: {}", tempId);
    
                  return tempId;
    
              }
    
          }
    
          private String generateNodeId() {
    
              StringBuilder sb = new StringBuilder(6);
    
              for (int i = 0; i < 6; i++) {
    
                  sb.append(CHARACTERS.charAt(RANDOM.nextInt(CHARACTERS.length())));
    
              }
    
              return sb.toString() + "." + tld;
    
          }
    
      }

1	package com.paymentlink.service;
2
3	import org.slf4j.Logger;
4	import org.slf4j.LoggerFactory;
5	import org.springframework.beans.factory.annotation.Value;
6	import org.springframework.stereotype.Service;
7
8	import java.io.IOException;
9	import java.nio.file.Files;
10	import java.nio.file.Path;
11	import java.nio.file.Paths;
12	import java.security.SecureRandom;
13
14	@Service
15	public class NodeIdService {
16
17	private static final Logger logger = LoggerFactory.getLogger(NodeIdService.class);
18	private static final SecureRandom RANDOM = new SecureRandom();
19	private static final String CHARACTERS = "abcdefghijklmnopqrstuvwxyz0123456789";
20
21	@Value("${app.server-id-file:incl/server-id.txt}")
22	private String serverIdFile;
23
24	@Value("${app.tld:ironpath.ai}")
25	private String tld;
26
27	private String nodeId;
28
29	/**
30	* Get or create node ID
31	*/
32	public String getNodeId() {
33	if (nodeId == null) {
34	nodeId = loadOrCreateNodeId();
35	}
36	return nodeId;
37	}
38
39	/**
40	* Get short ID (without TLD)
41	*/
42	public String getShortId() {
43	String fullId = getNodeId();
44	return fullId.split("\\.")[0];
45	}
46
47	private String loadOrCreateNodeId() {
48	try {
49	Path filePath = Paths.get(serverIdFile);
50
51	// Ensure parent directory exists
52	if (filePath.getParent() != null) {
53	Files.createDirectories(filePath.getParent());
54	}
55
56	// Try to read existing ID
57	if (Files.exists(filePath)) {
58	String id = Files.readString(filePath).trim();
59	if (!id.isEmpty()) {
60	logger.info("Loaded existing server ID: {}", id);
61	return id;
62	}
63	}
64
65	// Generate new ID
66	String newId = generateNodeId();
67	Files.writeString(filePath, newId);
68	logger.info("Generated new server ID: {}", newId);
69	return newId;
70
71	} catch (IOException e) {
72	logger.error("Failed to load/create server ID file", e);
73	// Generate temporary ID
74	String tempId = generateNodeId();
75	logger.warn("Using temporary server ID: {}", tempId);
76	return tempId;
77	}
78	}
79
80	private String generateNodeId() {
81	StringBuilder sb = new StringBuilder(6);
82	for (int i = 0; i < 6; i++) {
83	sb.append(CHARACTERS.charAt(RANDOM.nextInt(CHARACTERS.length())));
84	}
85	return sb.toString() + "." + tld;
86	}
87	}
88
89

backend

Commit: 690c1f6

Commit Details

File: src/main/java/com/paymentlink/service/NodeIdService.java