feat: 新增虚拟支付订单与网盘链接检测功能

ruoyi-system/src/main/java/com/ruoyi/app/service/ImageUrlService.java

@@ -0,0 +1,131 @@
+package com.ruoyi.app.service;
+
+import com.ruoyi.app.domain.AppBlogArticle;
+import com.ruoyi.app.domain.AppResource;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+/**
+ * Builds CDN image variants without persisting derived URLs in the database.
+ */
+@Component
+public class ImageUrlService
+{
+    @Value("${app.image.cdn-domain:https://img.yidaima.cn}")
+    private String cdnDomain;
+
+    @Value("${app.image.article-card-operation:imageView2/1/w/600/h/375/format/webp/q/75/ignore-error/1}")
+    private String articleCardOperation;
+
+    @Value("${app.image.resource-card-operation:imageView2/1/w/500/h/400/format/webp/q/75/ignore-error/1}")
+    private String resourceCardOperation;
+
+    public void decorateArticles(List<AppBlogArticle> articles)
+    {
+        if (articles == null)
+        {
+            return;
+        }
+        for (AppBlogArticle article : articles)
+        {
+            decorateArticle(article);
+        }
+    }
+
+    public AppBlogArticle decorateArticle(AppBlogArticle article)
+    {
+        if (article == null)
+        {
+            return null;
+        }
+        String originalUrl = normalizeOriginalUrl(article.getShowImg());
+        article.setShowImg(originalUrl);
+        article.setShowImgThumb(buildThumbnailUrl(originalUrl, articleCardOperation));
+        decorateResource(article.getAppResource());
+        return article;
+    }
+
+    public void decorateResources(List<AppResource> resources)
+    {
+        if (resources == null)
+        {
+            return;
+        }
+        for (AppResource resource : resources)
+        {
+            decorateResource(resource);
+        }
+    }
+
+    public AppResource decorateResource(AppResource resource)
+    {
+        if (resource == null)
+        {
+            return null;
+        }
+        String originalUrl = normalizeOriginalUrl(resource.getShowImg());
+        resource.setShowImg(originalUrl);
+        resource.setShowImgThumb(buildThumbnailUrl(originalUrl, resourceCardOperation));
+        return resource;
+    }
+
+    public String normalizeOriginalUrl(String originalUrl)
+    {
+        if (originalUrl == null)
+        {
+            return null;
+        }
+        String url = originalUrl.trim();
+        String host = cdnHost();
+        String httpPrefix = "http://" + host + "/";
+        if (url.startsWith(httpPrefix))
+        {
+            return "https://" + url.substring("http://".length());
+        }
+        String protocolRelativePrefix = "//" + host + "/";
+        if (url.startsWith(protocolRelativePrefix))
+        {
+            return "https:" + url;
+        }
+        return url;
+    }
+
+    private String buildThumbnailUrl(String originalUrl, String operation)
+    {
+        if (originalUrl == null || originalUrl.isEmpty())
+        {
+            return originalUrl;
+        }
+        String cdnPrefix = "https://" + cdnHost() + "/";
+        if (!originalUrl.startsWith(cdnPrefix))
+        {
+            return originalUrl;
+        }
+        // Avoid corrupting signed or already processed URLs.
+        if (originalUrl.indexOf('?') >= 0)
+        {
+            return originalUrl;
+        }
+        return originalUrl + "?" + operation;
+    }
+
+    private String cdnHost()
+    {
+        String value = cdnDomain == null ? "img.yidaima.cn" : cdnDomain.trim();
+        if (value.startsWith("https://"))
+        {
+            value = value.substring("https://".length());
+        }
+        else if (value.startsWith("http://"))
+        {
+            value = value.substring("http://".length());
+        }
+        while (value.endsWith("/"))
+        {
+            value = value.substring(0, value.length() - 1);
+        }
+        return value;
+    }
+}