Deprecate some dangerous services

src/main/java/run/halo/app/service/ThemeService.java

@@ -7,6 +7,7 @@ import run.halo.app.model.support.ThemeProperties;
 
 import java.io.File;
 import java.util.List;
+import java.util.Map;
 
 /**
  * @author : RYAN0UP
@@ -27,6 +28,7 @@ public interface ThemeService {
      * @param absolutePath absolutePath
      * @return List<ThemeFile>
      */
+    @Deprecated
     List<ThemeFile> listThemeFolder(@NonNull String absolutePath);
 
     /**
@@ -82,6 +84,7 @@ public interface ThemeService {
      * @param absolutePath absolute path
      * @return template content
      */
+    @Deprecated
     String getTemplateContent(@NonNull String absolutePath);
 
     /**
@@ -98,4 +101,13 @@ public interface ThemeService {
      * @param key theme key
      */
     void deleteTheme(@NonNull String key);
+
+    /**
+     * Fetchs theme configuration.
+     *
+     * @param themeName theme name must not be blank
+     * @return theme configuration
+     */
+    @NonNull
+    Map<String, Object> fetchConfig(@NonNull String themeName);
 }

src/main/java/run/halo/app/service/impl/ThemeServiceImpl.java

@@ -7,6 +7,7 @@ import cn.hutool.core.text.StrBuilder;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.setting.dialect.Props;
 import org.springframework.stereotype.Service;
+import org.springframework.util.Assert;
 import run.halo.app.config.properties.HaloProperties;
 import run.halo.app.exception.NotFoundException;
 import run.halo.app.model.support.HaloConst;
@@ -20,6 +21,7 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
+import java.util.Map;
 
 /**
  * @author : RYAN0UP
@@ -256,4 +258,12 @@ public class ThemeServiceImpl implements ThemeService {
         FileUtil.del(file);
         HaloConst.THEMES = this.getThemes();
     }
+
+    @Override
+    public Map<String, Object> fetchConfig(String themeName) {
+        Assert.hasText(themeName, "Theme name must not be blank");
+
+
+        return null;
+    }
 }

src/test/java/run/halo/app/utils/YamlTest.java

@@ -0,0 +1,46 @@
+package run.halo.app.utils;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
+import org.junit.Test;
+
+import java.io.IOException;
+
+/**
+ * Yaml test.
+ *
+ * @author johnniang
+ * @date 4/8/19
+ */
+public class YamlTest {
+
+    private final ObjectMapper yamlMapper = new ObjectMapper(new YAMLFactory());
+
+    private final ObjectMapper jsonMapper = new ObjectMapper();
+
+    @Test
+    public void readYamlTest() throws IOException {
+
+        String yaml = "style:\n" +
+                "  name: Style settings\n" +
+                "  items:\n" +
+                "    post_title_lower:\n" +
+                "      name: post_title_lower\n" +
+                "      description: Post title lower\n" +
+                "      type: radio\n" +
+                "      defaultValue: true\n" +
+                "      options:\n" +
+                "        - value: true\n" +
+                "          label: Enabled\n" +
+                "        - value: false\n" +
+                "          label: Disabled\n" +
+                "    custom_style:\n" +
+                "      name: custom_style\n" +
+                "      description: Custom style\n" +
+                "      type: textarea\n";
+
+        Object config = yamlMapper.readValue(yaml, Object.class);
+
+        System.out.println(jsonMapper.writeValueAsString(config));
+    }
+}