fix: reduce background overlay opacity in Navigator component

.env.example

@@ -30,3 +30,6 @@ BACKUP_SCHEDULE=0 2 * * *
 
 # Retention policy (days)
 BACKUP_RETENTION_DAYS=30
+
+# Download Configuration
+DOWNLOAD_SECRET_KEY=your_download_secret_key_here

frontend/src/components/gallery.tsx

@@ -0,0 +1,426 @@
+import { useEffect, useRef, useState } from "react";
+import { AnimatePresence, motion } from "framer-motion";
+import {
+  MdOutlineChevronLeft,
+  MdOutlineChevronRight,
+  MdOutlineClose,
+} from "react-icons/md";
+import { network } from "../network/network.ts";
+import Badge from "./badge.tsx";
+
+export default function Gallery({
+  images,
+  nsfw,
+}: {
+  images: number[];
+  nsfw: number[];
+}) {
+  const [currentIndex, setCurrentIndex] = useState(0);
+  const [direction, setDirection] = useState(0); // 方向：1=向右，-1=向左
+  const [isHovered, setIsHovered] = useState(false);
+  const [width, setWidth] = useState(0);
+  const containerRef = useRef<HTMLDivElement>(null);
+  const dialogRef = useRef<HTMLDialogElement>(null);
+
+  useEffect(() => {
+    const updateWidth = () => {
+      if (containerRef.current) {
+        setWidth(containerRef.current.clientWidth);
+      }
+    };
+
+    updateWidth();
+    window.addEventListener("resize", updateWidth);
+    return () => {
+      window.removeEventListener("resize", updateWidth);
+    };
+  }, []);
+
+  // 预加载下一张图片
+  useEffect(() => {
+    if (!images || images.length <= 1) return;
+
+    const nextIndex = (currentIndex + 1) % images.length;
+    const nextImageUrl = network.getImageUrl(images[nextIndex]);
+
+    const img = new Image();
+    img.src = nextImageUrl;
+  }, [currentIndex, images]);
+
+  if (!images || images.length === 0) {
+    return <></>;
+  }
+
+  const goToPrevious = () => {
+    setDirection(-1);
+    setCurrentIndex((prev) => (prev === 0 ? images.length - 1 : prev - 1));
+  };
+
+  const goToNext = () => {
+    setDirection(1);
+    setCurrentIndex((prev) => (prev === images.length - 1 ? 0 : prev + 1));
+  };
+
+  const goToIndex = (index: number) => {
+    setDirection(index > currentIndex ? 1 : -1);
+    setCurrentIndex(index);
+  };
+
+  if (nsfw == null) {
+    nsfw = [];
+  }
+
+  // 如果图片数量超过8张，显示数字而不是圆点
+  const showDots = images.length <= 8;
+
+  return (
+    <>
+      <GalleryFullscreen
+        dialogRef={dialogRef}
+        images={images}
+        currentIndex={currentIndex}
+        direction={direction}
+        goToPrevious={goToPrevious}
+        goToNext={goToNext}
+        setDirection={setDirection}
+        setCurrentIndex={setCurrentIndex}
+      />
+      <div
+        className="relative w-full overflow-hidden rounded-xl bg-base-100-tr82 shadow-sm"
+        style={{ aspectRatio: "16/9" }}
+        onMouseEnter={() => setIsHovered(true)}
+        onMouseLeave={() => setIsHovered(false)}
+      >
+        {/* 图片区域 */}
+        <div
+          ref={containerRef}
+          className="w-full h-full relative"
+          onClick={() => {
+            dialogRef.current?.showModal();
+          }}
+        >
+          {width > 0 && (
+            <AnimatePresence initial={false} custom={direction} mode="sync">
+              <motion.div
+                key={currentIndex}
+                className="absolute inset-0 w-full h-full"
+                variants={{
+                  enter: (dir: number) => ({
+                    x: dir > 0 ? width : -width,
+                  }),
+                  center: {
+                    x: 0,
+                    transition: { duration: 0.3, ease: "linear" },
+                  },
+                  exit: (dir: number) => ({
+                    x: dir > 0 ? -width : width,
+                    transition: { duration: 0.3, ease: "linear" },
+                  }),
+                }}
+                initial="enter"
+                animate="center"
+                exit="exit"
+                custom={direction}
+              >
+                <GalleryImage
+                  src={network.getImageUrl(images[currentIndex])}
+                  nfsw={nsfw.includes(currentIndex)}
+                />
+              </motion.div>
+            </AnimatePresence>
+          )}
+        </div>
+
+        {/* 左右按钮 */}
+        {images.length > 1 && (
+          <>
+            <button
+              className={`absolute left-2 top-1/2 -translate-y-1/2 transition-opacity hover:cursor-pointer ${
+                isHovered ? "opacity-100" : "opacity-0"
+              }`}
+              onClick={goToPrevious}
+            >
+              <MdOutlineChevronLeft size={28} />
+            </button>
+            <button
+              className={`absolute right-2 top-1/2 -translate-y-1/2 transition-opacity hover:cursor-pointer ${
+                isHovered ? "opacity-100" : "opacity-0"
+              }`}
+              onClick={goToNext}
+            >
+              <MdOutlineChevronRight size={28} />
+            </button>
+          </>
+        )}
+
+        {/* 底部指示器 */}
+        {images.length > 1 && (
+          <div className="absolute bottom-4 left-1/2 -translate-x-1/2">
+            {showDots ? (
+              /* 圆点指示器 */
+              <div className="flex gap-2">
+                {images.map((_, index) => (
+                  <button
+                    key={index}
+                    className={`w-2 h-2 rounded-full transition-all ${
+                      index === currentIndex
+                        ? "bg-primary w-4"
+                        : "bg-base-content/30 hover:bg-base-content/50"
+                    }`}
+                    onClick={() => goToIndex(index)}
+                    aria-label={`Go to image ${index + 1}`}
+                  />
+                ))}
+              </div>
+            ) : (
+              /* 数字指示器 */
+              <div className="bg-base-100/20 px-2 py-1 rounded-full text-xs">
+                {currentIndex + 1} / {images.length}
+              </div>
+            )}
+          </div>
+        )}
+      </div>
+    </>
+  );
+}
+
+function GalleryFullscreen({
+  dialogRef,
+  images,
+  currentIndex,
+  direction,
+  goToPrevious,
+  goToNext,
+  setDirection,
+  setCurrentIndex,
+}: {
+  dialogRef: React.RefObject<HTMLDialogElement | null>;
+  images: number[];
+  currentIndex: number;
+  direction: number;
+  goToPrevious: () => void;
+  goToNext: () => void;
+  setDirection: (direction: number) => void;
+  setCurrentIndex: (index: number) => void;
+}) {
+  const [width, setWidth] = useState(0);
+  const containerRef = useRef<HTMLDivElement>(null);
+  const thumbnailContainerRef = useRef<HTMLDivElement>(null);
+  const hideTimeoutRef = useRef<number | null>(null);
+  const [isHovered, setIsHovered] = useState(true);
+
+  useEffect(() => {
+    const updateWidth = () => {
+      if (containerRef.current) {
+        console.log(containerRef.current.clientWidth);
+        setWidth(containerRef.current.clientWidth);
+      }
+    };
+    updateWidth();
+    window.addEventListener("resize", updateWidth);
+    return () => {
+      window.removeEventListener("resize", updateWidth);
+    };
+  }, []);
+
+  useEffect(() => {
+    const handleMouseMove = () => {
+      setIsHovered(true);
+      if (hideTimeoutRef.current) {
+        clearTimeout(hideTimeoutRef.current);
+      }
+      hideTimeoutRef.current = setTimeout(() => {
+        setIsHovered(false);
+      }, 2000);
+    };
+
+    if (dialogRef.current?.open) {
+      window.addEventListener("mousemove", handleMouseMove);
+    }
+
+    return () => {
+      window.removeEventListener("mousemove", handleMouseMove);
+      if (hideTimeoutRef.current) {
+        clearTimeout(hideTimeoutRef.current);
+      }
+    };
+  }, [dialogRef.current?.open, setIsHovered]);
+
+  useEffect(() => {
+    const handleKeyDown = (e: KeyboardEvent) => {
+      if (dialogRef.current?.open) {
+        if (e.key === "ArrowLeft") {
+          e.preventDefault();
+          goToPrevious();
+        } else if (e.key === "ArrowRight") {
+          e.preventDefault();
+          goToNext();
+        } else if (e.key === "Escape") {
+          dialogRef.current?.close();
+        }
+      }
+    };
+
+    window.addEventListener("keydown", handleKeyDown);
+    return () => {
+      window.removeEventListener("keydown", handleKeyDown);
+    };
+  }, [dialogRef, goToPrevious, goToNext]);
+
+  useEffect(() => {
+    if (thumbnailContainerRef.current && dialogRef.current?.open) {
+      const thumbnail = thumbnailContainerRef.current.children[currentIndex] as HTMLElement;
+      if (thumbnail) {
+        thumbnail.scrollIntoView({ behavior: "smooth", block: "nearest", inline: "center" });
+      }
+    }
+  }, [currentIndex, dialogRef]);
+
+  return (
+    <dialog
+      ref={dialogRef}
+      onClick={() => {
+        dialogRef.current?.close();
+      }}
+      className="modal"
+      onMouseLeave={() => setIsHovered(false)}
+    >
+      <div
+        ref={containerRef}
+        className="modal-box w-full h-full max-h-screen max-w-screen p-4 bg-transparent shadow-none relative overflow-clip"
+      >
+        {width > 0 && (
+          <AnimatePresence initial={false} custom={direction} mode="sync">
+            <motion.div
+              key={`fullscreen-${currentIndex}`}
+              className="absolute inset-0 w-full h-full"
+              variants={{
+                enter: (dir: number) => ({
+                  x: dir > 0 ? width : -width,
+                }),
+                center: {
+                  x: 0,
+                  transition: { duration: 0.3, ease: "linear" },
+                },
+                exit: (dir: number) => ({
+                  x: dir > 0 ? -width : width,
+                  transition: { duration: 0.3, ease: "linear" },
+                }),
+              }}
+              initial="enter"
+              animate="center"
+              exit="exit"
+              custom={direction}
+            >
+              <img
+                src={network.getImageUrl(images[currentIndex])}
+                alt=""
+                className="w-full h-full object-contain rounded-xl"
+              />
+            </motion.div>
+          </AnimatePresence>
+        )}
+
+        {/* 全屏模式下的左右切换按钮 */}
+        {images.length > 1 && (
+          <>
+            <button
+              className={`absolute left-4 top-1/2 -translate-y-1/2 cursor-pointer hover:bg-base-100/60 rounded-full p-2 transition-colors focus:border-none focus:outline-none`}
+              onClick={(e) => {
+                e.stopPropagation();
+                goToPrevious();
+              }}
+            >
+              <MdOutlineChevronLeft size={24} />
+            </button>
+            <button
+              className={`absolute right-4 top-1/2 -translate-y-1/2 cursor-pointer hover:bg-base-100/60 rounded-full p-2 transition-colors focus:border-none focus:outline-none`}
+              onClick={(e) => {
+                e.stopPropagation();
+                goToNext();
+              }}
+            >
+              <MdOutlineChevronRight size={24} />
+            </button>
+
+            {/* 图片缩略图列表 */}
+            <div
+              className={`absolute bottom-4 left-1/2 -translate-x-1/2 transition-opacity ${
+                isHovered ? "opacity-100" : "opacity-0"
+              }`}
+              onClick={(e) => e.stopPropagation()}
+            >
+              <div
+                ref={thumbnailContainerRef}
+                className="flex gap-2 overflow-x-auto max-w-[80vw] px-2 py-2 bg-base-100/60 rounded-xl scrollbar-thin scrollbar-thumb-base-content/30 scrollbar-track-transparent"
+              >
+                {images.map((imageId, index) => (
+                  <button
+                    key={index}
+                    className={`flex-shrink-0 w-16 h-16 rounded-lg overflow-hidden transition-all ${
+                      index === currentIndex
+                        ? "ring-2 ring-primary scale-110"
+                        : "opacity-60 hover:opacity-100"
+                    }`}
+                    onClick={(e) => {
+                      e.stopPropagation();
+                      const newDirection = index > currentIndex ? 1 : -1;
+                      setDirection(newDirection);
+                      setCurrentIndex(index);
+                    }}
+                  >
+                    <img
+                      src={network.getResampledImageUrl(imageId)}
+                      alt={`Thumbnail ${index + 1}`}
+                      className="w-full h-full object-cover"
+                    />
+                  </button>
+                ))}
+              </div>
+            </div>
+
+            {/* 关闭按钮 */}
+            <button
+              className={`absolute top-4 right-4 cursor-pointer hover:bg-base-100/60 rounded-full p-2 transition-colors`}
+              onClick={(e) => {
+                e.stopPropagation();
+                dialogRef.current?.close();
+              }}
+            >
+              <MdOutlineClose size={24} />
+            </button>
+          </>
+        )}
+      </div>
+    </dialog>
+  );
+}
+
+function GalleryImage({ src, nfsw }: { src: string; nfsw: boolean }) {
+  const [show, setShow] = useState(!nfsw);
+
+  return (
+    <div className="relative w-full h-full">
+      <img
+        src={src}
+        alt=""
+        className={`w-full h-full object-contain transition-all duration-300 ${!show ? "blur-xl" : ""}`}
+      />
+      {!show && (
+        <>
+          <div
+            className="absolute inset-0 bg-base-content/20 cursor-pointer"
+            onClick={(event) => {
+              setShow(true);
+              event.stopPropagation();
+            }}
+          />
+          <div className="absolute top-4 left-4">
+            <Badge className="badge-error shadow-lg">NSFW</Badge>
+          </div>
+        </>
+      )}
+    </div>
+  );
+}

frontend/src/components/navigator.tsx

@@ -67,7 +67,7 @@ export default function Navigator() {
       {/* Background overlay */}
       {background && (
         <div
-          className="bg-base-100 opacity-60 dark:opacity-40"
+          className="bg-base-100 opacity-20 dark:opacity-40"
           style={{
             position: "fixed",
             top: 0,

frontend/src/network/network.ts

@@ -457,6 +457,28 @@ class Network {
     );
   }
 
+  async createFTPStorage(
+    name: string,
+    host: string,
+    username: string,
+    password: string,
+    basePath: string,
+    domain: string,
+    maxSizeInMB: number,
+  ): Promise<Response<any>> {
+    return this._callApi(() =>
+      axios.post(`${this.apiBaseUrl}/storage/ftp`, {
+        name,
+        host,
+        username,
+        password,
+        basePath,
+        domain,
+        maxSizeInMB,
+      }),
+    );
+  }
+
   async listStorages(): Promise<Response<Storage[]>> {
     return this._callApi(() => axios.get(`${this.apiBaseUrl}/storage`));
   }

frontend/src/pages/home_page.tsx

@@ -70,6 +70,7 @@ export default function HomePage() {
 function HomeHeader() {
   const [pinnedResources, setPinnedResources] = useState<Resource[]>([]);
   const [statistic, setStatistic] = useState<Statistics | null>(null);
+  const [currentIndex, setCurrentIndex] = useState(0);
   const navigator = useNavigator();
   const appContext = useAppContext();
 
@@ -127,13 +128,30 @@ function HomeHeader() {
     fetchStatistics();
   }, [appContext, navigator]);
 
+  // Auto-scroll carousel every 5 seconds
+  useEffect(() => {
+    if (pinnedResources.length <= 1) {
+      return;
+    }
+
+    const interval = setInterval(() => {
+      setCurrentIndex((prevIndex) => (prevIndex + 1) % pinnedResources.length);
+    }, 5000);
+
+    return () => clearInterval(interval);
+  }, [pinnedResources.length, currentIndex]);
+
   if (pinnedResources.length == 0 || statistic == null) {
     return <></>;
   }
 
   return (
     <div className="grid grid-cols-1 md:grid-cols-2 p-4 gap-4">
-      <PinnedResourceItem resource={pinnedResources[0]} />
+      <PinnedResourcesCarousel
+        resources={pinnedResources}
+        currentIndex={currentIndex}
+        onIndexChange={setCurrentIndex}
+      />
       <div className={"hidden md:flex h-52 md:h-60 flex-col"}>
         <div className={"card w-full shadow p-4 mb-4 bg-base-100-tr82 flex-1"}>
           <h2 className={"text-lg font-bold pb-2"}>{app.appName}</h2>
@@ -145,6 +163,49 @@ function HomeHeader() {
   );
 }
 
+function PinnedResourcesCarousel({
+  resources,
+  currentIndex,
+  onIndexChange,
+}: {
+  resources: Resource[];
+  currentIndex: number;
+  onIndexChange: (index: number) => void;
+}) {
+  return (
+    <div className="relative">
+      <div className="overflow-hidden rounded-2xl">
+        <div
+          className="flex transition-transform duration-500 ease-in-out"
+          style={{ transform: `translateX(-${currentIndex * 100}%)` }}
+        >
+          {resources.map((resource) => (
+            <div key={resource.id} className="w-full flex-shrink-0">
+              <PinnedResourceItem resource={resource} />
+            </div>
+          ))}
+        </div>
+      </div>
+      {resources.length > 1 && (
+        <div className="absolute bottom-4 left-1/2 transform -translate-x-1/2 flex gap-2 z-10">
+          {resources.map((_, index) => (
+            <button
+              key={index}
+              onClick={() => onIndexChange(index)}
+              className={`w-2 h-2 rounded-full transition-all ${
+                index === currentIndex
+                  ? "bg-white w-6"
+                  : "bg-white/50 hover:bg-white/75"
+              }`}
+              aria-label={`Go to slide ${index + 1}`}
+            />
+          ))}
+        </div>
+      )}
+    </div>
+  );
+}
+
 function PinnedResourceItem({ resource }: { resource: Resource }) {
   const navigate = useNavigate();
 

frontend/src/pages/manage_storage_page.tsx

@@ -244,6 +244,7 @@ export default function StorageView() {
 enum StorageType {
   local,
   s3,
+  ftp,
 }
 
 function NewStorageDialog({ onAdded }: { onAdded: () => void }) {
@@ -259,6 +260,10 @@ function NewStorageDialog({ onAdded }: { onAdded: () => void }) {
     bucketName: "",
     maxSizeInMB: 0,
     domain: "",
+    host: "",
+    username: "",
+    password: "",
+    basePath: "",
   });
 
   const [isLoading, setIsLoading] = useState(false);
@@ -305,6 +310,28 @@ function NewStorageDialog({ onAdded }: { onAdded: () => void }) {
         params.maxSizeInMB,
         params.domain,
       );
+    } else if (storageType === StorageType.ftp) {
+      if (
+        params.host === "" ||
+        params.username === "" ||
+        params.password === "" ||
+        params.domain === "" ||
+        params.name === "" ||
+        params.maxSizeInMB <= 0
+      ) {
+        setError(t("All fields are required"));
+        setIsLoading(false);
+        return;
+      }
+      response = await network.createFTPStorage(
+        params.name,
+        params.host,
+        params.username,
+        params.password,
+        params.basePath,
+        params.domain,
+        params.maxSizeInMB,
+      );
     }
 
     if (response!.success) {
@@ -368,6 +395,15 @@ function NewStorageDialog({ onAdded }: { onAdded: () => void }) {
                 setStorageType(StorageType.s3);
               }}
             />
+            <input
+              className="btn"
+              type="radio"
+              name="type"
+              aria-label={t("FTP")}
+              onInput={() => {
+                setStorageType(StorageType.ftp);
+              }}
+            />
           </form>
 
           {storageType === StorageType.local && (
@@ -525,6 +561,114 @@ function NewStorageDialog({ onAdded }: { onAdded: () => void }) {
             </>
           )}
 
+          {storageType === StorageType.ftp && (
+            <>
+              <label className="input w-full my-2">
+                {t("Name")}
+                <input
+                  type="text"
+                  className="w-full"
+                  value={params.name}
+                  onChange={(e) => {
+                    setParams({
+                      ...params,
+                      name: e.target.value,
+                    });
+                  }}
+                />
+              </label>
+              <label className="input w-full my-2">
+                {t("Host")}
+                <input
+                  type="text"
+                  placeholder="ftp.example.com:21"
+                  className="w-full"
+                  value={params.host}
+                  onChange={(e) => {
+                    setParams({
+                      ...params,
+                      host: e.target.value,
+                    });
+                  }}
+                />
+              </label>
+              <label className="input w-full my-2">
+                {t("Username")}
+                <input
+                  type="text"
+                  className="w-full"
+                  value={params.username}
+                  onChange={(e) => {
+                    setParams({
+                      ...params,
+                      username: e.target.value,
+                    });
+                  }}
+                />
+              </label>
+              <label className="input w-full my-2">
+                {t("Password")}
+                <input
+                  type="password"
+                  className="w-full"
+                  value={params.password}
+                  onChange={(e) => {
+                    setParams({
+                      ...params,
+                      password: e.target.value,
+                    });
+                  }}
+                />
+              </label>
+              <label className="input w-full my-2">
+                {t("Base Path")}
+                <input
+                  type="text"
+                  placeholder="/uploads"
+                  className="w-full"
+                  value={params.basePath}
+                  onChange={(e) => {
+                    setParams({
+                      ...params,
+                      basePath: e.target.value,
+                    });
+                  }}
+                />
+              </label>
+              <label className="input w-full my-2">
+                {t("Domain")}
+                <input
+                  type="text"
+                  placeholder="files.example.com"
+                  className="w-full"
+                  value={params.domain}
+                  onChange={(e) => {
+                    setParams({
+                      ...params,
+                      domain: e.target.value,
+                    });
+                  }}
+                />
+              </label>
+              <label className="input w-full my-2">
+                {t("Max Size (MB)")}
+                <input
+                  type="number"
+                  className="validator"
+                  required
+                  min="0"
+                  value={params.maxSizeInMB.toString()}
+                  onChange={(e) => {
+                    setParams({
+                      ...params,
+                      maxSizeInMB: parseInt(e.target.value),
+                    });
+                  }}
+                />
+              </label>
+            </>
+          )}
+
           {error !== "" && <ErrorAlert message={error} className={"my-2"} />}
 
           <div className="modal-action">

frontend/src/pages/resource_details_page.tsx

@@ -32,9 +32,6 @@ import {
   MdOutlineAdd,
   MdOutlineArchive,
   MdOutlineArticle,
-  MdOutlineChevronLeft,
-  MdOutlineChevronRight,
-  MdOutlineClose,
   MdOutlineCloud,
   MdOutlineComment,
   MdOutlineContentCopy,
@@ -71,7 +68,7 @@ import KunApi, {
 } from "../network/kun.ts";
 import { Debounce } from "../utils/debounce.ts";
 import remarkGfm from "remark-gfm";
-import { AnimatePresence, motion } from "framer-motion";
+import Gallery from "../components/gallery.tsx";
 
 export default function ResourcePage() {
   const params = useParams();
@@ -881,6 +878,8 @@ function CloudflarePopup({ file }: { file: RFile }) {
 
   const [isLoading, setLoading] = useState(true);
 
+  const [downloadToken, setDownloadToken] = useState<string | null>(null);
+
   const { t } = useTranslation();
 
   return (
@@ -890,31 +889,50 @@ function CloudflarePopup({ file }: { file: RFile }) {
       {isLoading ? (
         <div
           className={
-            "absolute top-0 bottom-0 left-0 right-0 flex items-center justify-center"
+            "absolute top-0 bottom-8 left-0 right-0 flex items-center justify-center"
           }
         >
           <span className={"loading loading-spinner loading-lg"}></span>
         </div>
       ) : null}
-      <h3 className={"font-bold m-2"}>{t("Verifying your request")}</h3>
-      <div className={"h-20 w-full"}>
-        <Turnstile
-          siteKey={app.cloudflareTurnstileSiteKey!}
-          onWidgetLoad={() => {
-            setLoading(false);
-          }}
-          onSuccess={(token) => {
-            closePopup();
-            const link = network.getFileDownloadLink(file.id, token);
-            window.open(link, "_blank");
-          }}
-        ></Turnstile>
-      </div>
-      <p className={"text-xs text-base-content/80 m-2"}>
-        {t(
-          "Please check your network if the verification takes too long or the captcha does not appear.",
-        )}
-      </p>
+      <h3 className={"font-bold m-2"}>
+        {downloadToken ? t("Verification successful") : t("Verifying your request")}
+      </h3>
+      {!downloadToken && (
+        <>
+          <div className={"h-20 w-full"}>
+            <Turnstile
+              siteKey={app.cloudflareTurnstileSiteKey!}
+              onWidgetLoad={() => {
+                setLoading(false);
+              }}
+              onSuccess={(token) => {
+                setDownloadToken(token);
+              }}
+            ></Turnstile>
+          </div>
+          <p className={"text-xs text-base-content/80 m-2"}>
+            {t(
+              "Please check your network if the verification takes too long or the captcha does not appear.",
+            )}
+          </p>
+        </>
+      )}
+      {downloadToken && (
+        <div className="p-2">
+          <a
+            href={network.getFileDownloadLink(file.id, downloadToken)}
+            target="_blank"
+            className="btn btn-primary btn-sm w-full"
+            onClick={() => {
+              closePopup();
+            }}
+          >
+            <MdOutlineDownload size={20} />
+            {t("Download")}
+          </a>
+        </div>
+      )}
     </div>
   );
 }
@@ -2050,346 +2068,6 @@ function CollectionSelector({
   );
 }
 
-function Gallery({ images, nsfw }: { images: number[], nsfw: number[] }) {
-  const [currentIndex, setCurrentIndex] = useState(0);
-  const [direction, setDirection] = useState(0); // 方向：1=向右，-1=向左
-  const [isHovered, setIsHovered] = useState(false);
-  const [width, setWidth] = useState(0);
-  const containerRef = useRef<HTMLDivElement>(null);
-  const dialogRef = useRef<HTMLDialogElement>(null);
-
-  useEffect(() => {
-    const updateWidth = () => {
-      if (containerRef.current) {
-        setWidth(containerRef.current.clientWidth);
-      }
-    };
-
-    updateWidth();
-    window.addEventListener("resize", updateWidth);
-    return () => {
-      window.removeEventListener("resize", updateWidth);
-    };
-  }, []);
-
-  // 预加载下一张图片
-  useEffect(() => {
-    if (!images || images.length <= 1) return;
-    
-    const nextIndex = (currentIndex + 1) % images.length;
-    const nextImageUrl = network.getImageUrl(images[nextIndex]);
-    
-    const img = new Image();
-    img.src = nextImageUrl;
-  }, [currentIndex, images]);
-
-  if (!images || images.length === 0) {
-    return <></>;
-  }
-
-  const goToPrevious = () => {
-    setDirection(-1);
-    setCurrentIndex((prev) => (prev === 0 ? images.length - 1 : prev - 1));
-  };
-
-  const goToNext = () => {
-    setDirection(1);
-    setCurrentIndex((prev) => (prev === images.length - 1 ? 0 : prev + 1));
-  };
-
-  const goToIndex = (index: number) => {
-    setDirection(index > currentIndex ? 1 : -1);
-    setCurrentIndex(index);
-  };
-
-  if (nsfw == null) {
-    nsfw = [];
-  }
-
-  // 如果图片数量超过8张，显示数字而不是圆点
-  const showDots = images.length <= 8;
-
-  return (
-    <>
-    <GalleryFullscreen
-      dialogRef={dialogRef}
-      images={images}
-      currentIndex={currentIndex}
-      direction={direction}
-      isHovered={isHovered}
-      setIsHovered={setIsHovered}
-      goToPrevious={goToPrevious}
-      goToNext={goToNext}
-    />
-    <div
-      className="relative w-full overflow-hidden rounded-xl bg-base-100-tr82 shadow-sm"
-      style={{ aspectRatio: "16/9" }}
-      onMouseEnter={() => setIsHovered(true)}
-      onMouseLeave={() => setIsHovered(false)}
-    >
-      {/* 图片区域 */}
-      <div ref={containerRef} className="w-full h-full relative" onClick={() => {
-        dialogRef.current?.showModal();
-      }}>
-        {width > 0 && (
-          <AnimatePresence initial={false} custom={direction} mode="sync">
-            <motion.div
-              key={currentIndex}
-              className="absolute w-full h-full object-contain"
-              variants={{
-                enter: (dir: number) => ({
-                  x: dir > 0 ? width : -width,
-                }),
-                center: {
-                  x: 0,
-                  transition: { duration: 0.3, ease: "linear" },
-                },
-                exit: (dir: number) => ({
-                  x: dir > 0 ? -width : width,
-                  transition: { duration: 0.3, ease: "linear" },
-                }),
-              }}
-              initial="enter"
-              animate="center"
-              exit="exit"
-              custom={direction}
-            >
-              <GalleryImage
-                src={network.getImageUrl(images[currentIndex])}
-                nfsw={nsfw.includes(images[currentIndex])}
-              />
-            </motion.div>
-          </AnimatePresence>
-        )}
-      </div>
-
-      {/* 左右按钮 */}
-      {images.length > 1 && (
-        <>
-          <button
-            className={`absolute left-2 top-1/2 -translate-y-1/2 transition-opacity hover:cursor-pointer ${
-              isHovered ? "opacity-100" : "opacity-0"
-            }`}
-            onClick={goToPrevious}
-          >
-            <MdOutlineChevronLeft size={28} />
-          </button>
-          <button
-            className={`absolute right-2 top-1/2 -translate-y-1/2 transition-opacity hover:cursor-pointer ${
-              isHovered ? "opacity-100" : "opacity-0"
-            }`}
-            onClick={goToNext}
-          >
-            <MdOutlineChevronRight size={28} />
-          </button>
-        </>
-      )}
-
-      {/* 底部指示器 */}
-      {images.length > 1 && (
-        <div className="absolute bottom-4 left-1/2 -translate-x-1/2">
-          {showDots ? (
-            /* 圆点指示器 */
-            <div className="flex gap-2">
-              {images.map((_, index) => (
-                <button
-                  key={index}
-                  className={`w-2 h-2 rounded-full transition-all ${
-                    index === currentIndex
-                      ? "bg-primary w-4"
-                      : "bg-base-content/30 hover:bg-base-content/50"
-                  }`}
-                  onClick={() => goToIndex(index)}
-                  aria-label={`Go to image ${index + 1}`}
-                />
-              ))}
-            </div>
-          ) : (
-            /* 数字指示器 */
-            <div className="bg-base-100/20 px-2 py-1 rounded-full text-xs">
-              {currentIndex + 1} / {images.length}
-            </div>
-          )}
-        </div>
-      )}
-    </div>
-    </>
-  );
-}
-
-function GalleryFullscreen({
-  dialogRef,
-  images,
-  currentIndex,
-  direction,
-  isHovered,
-  setIsHovered,
-  goToPrevious,
-  goToNext,
-}: {
-  dialogRef: React.RefObject<HTMLDialogElement | null>;
-  images: number[];
-  currentIndex: number;
-  direction: number;
-  isHovered: boolean;
-  setIsHovered: (hovered: boolean) => void;
-  goToPrevious: () => void;
-  goToNext: () => void;
-}) {
-  const [width, setWidth] = useState(0);
-  const containerRef = useRef<HTMLDivElement>(null);
-
-  useEffect(() => {
-    const updateWidth = () => {
-      if (containerRef.current) {
-        console.log(containerRef.current.clientWidth);
-        setWidth(containerRef.current.clientWidth);
-      }
-    };
-    updateWidth();
-    window.addEventListener("resize", updateWidth);
-    return () => {
-      window.removeEventListener("resize", updateWidth);
-    };
-  }, []);
-
-  useEffect(() => {
-    const handleKeyDown = (e: KeyboardEvent) => {
-      if (dialogRef.current?.open) {
-        if (e.key === "ArrowLeft") {
-          e.preventDefault();
-          goToPrevious();
-        } else if (e.key === "ArrowRight") {
-          e.preventDefault();
-          goToNext();
-        } else if (e.key === "Escape") {
-          dialogRef.current?.close();
-        }
-      }
-    };
-
-    window.addEventListener("keydown", handleKeyDown);
-    return () => {
-      window.removeEventListener("keydown", handleKeyDown);
-    };
-  }, [dialogRef, goToPrevious, goToNext]);
-
-  return (
-    <dialog
-      ref={dialogRef}
-      onClick={() => {
-        dialogRef.current?.close();
-      }}
-      className="modal"
-      onMouseEnter={() => setIsHovered(true)}
-      onMouseLeave={() => setIsHovered(false)}
-    >
-      <div ref={containerRef} className="modal-box w-full h-full max-h-screen max-w-screen p-4 bg-transparent shadow-none relative overflow-clip">
-        {width > 0 && <AnimatePresence initial={false} custom={direction} mode="sync">
-          <motion.div
-            key={`fullscreen-${currentIndex}`}
-            className="absolute inset-0 w-full h-full"
-            variants={{
-                enter: (dir: number) => ({
-                  x: dir > 0 ? width : -width,
-                }),
-                center: {
-                  x: 0,
-                  transition: { duration: 0.3, ease: "linear" },
-                },
-                exit: (dir: number) => ({
-                  x: dir > 0 ? -width : width,
-                  transition: { duration: 0.3, ease: "linear" },
-                }),
-            }}
-            initial="enter"
-            animate="center"
-            exit="exit"
-            custom={direction}
-          >
-            <img
-              src={network.getImageUrl(images[currentIndex])}
-              alt=""
-              className="w-full h-full object-contain rounded-xl p-4 sm:p-6"
-            />
-          </motion.div>
-        </AnimatePresence>}
-
-        {/* 全屏模式下的左右切换按钮 */}
-        {images.length > 1 && (
-          <>
-            <button
-              className={`absolute left-4 top-1/2 -translate-y-1/2 cursor-pointer hover:bg-base-100/60 rounded-full p-2 transition-colors focus:border-none focus:outline-none`}
-              onClick={(e) => {
-                e.stopPropagation();
-                goToPrevious();
-              }}
-            >
-              <MdOutlineChevronLeft size={24} />
-            </button>
-            <button
-              className={`absolute right-4 top-1/2 -translate-y-1/2 cursor-pointer hover:bg-base-100/60 rounded-full p-2 transition-colors focus:border-none focus:outline-none`}
-              onClick={(e) => {
-                e.stopPropagation();
-                goToNext();
-              }}
-            >
-              <MdOutlineChevronRight size={24} />
-            </button>
-
-            {/* 全屏模式下的指示器 */}
-            <div className={`absolute bottom-4 left-1/2 -translate-x-1/2 transition-opacity ${
-              isHovered ? "opacity-100" : "opacity-0"
-            }`}>
-              <div className="bg-base-100/60 backdrop-blur-sm px-3 py-1.5 rounded-full text-sm font-medium select-none">
-                {currentIndex + 1} / {images.length}
-              </div>
-            </div>
-
-            {/* 关闭按钮 */}
-            <button
-              className={`absolute top-4 right-4 cursor-pointer hover:bg-base-100/60 rounded-full p-2 transition-colors`}
-              onClick={(e) => {
-                e.stopPropagation();
-                dialogRef.current?.close();
-              }}
-            >
-              <MdOutlineClose size={24} />
-            </button>
-          </>
-        )}
-      </div>
-    </dialog>
-  );
-}
-
-function GalleryImage({src, nfsw}: {src: string, nfsw: boolean}) {
-  const [show, setShow] = useState(!nfsw);
-
-  return (
-    <div className="relative w-full h-full">
-      <img 
-        src={src} 
-        alt="" 
-        className={`w-full h-full object-contain transition-all duration-300 ${!show ? 'blur-xl' : ''}`}
-      />
-      {!show && (
-        <>
-          <div className="absolute inset-0 bg-base-content/20 cursor-pointer" onClick={(event) => {
-            setShow(true)
-            event.stopPropagation();
-          }} />
-          <div className="absolute top-4 left-4">
-            <Badge className="badge-error shadow-lg">
-              NSFW
-            </Badge>
-          </div>
-        </>
-      )}
-    </div>
-  );
-}
-
 function Characters({ characters }: { characters: CharacterParams[] }) {
   const { t } = useTranslation();
 

go.mod

@@ -39,6 +39,9 @@ require (
 	github.com/go-sql-driver/mysql v1.8.1 // indirect
 	github.com/golang/protobuf v1.3.2 // indirect
 	github.com/golang/snappy v0.0.1 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/jlaffaye/ftp v0.2.0 // indirect
 	github.com/mschoch/smat v0.2.0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/steveyen/gtreap v0.1.0 // indirect

go.sum

@@ -95,6 +95,10 @@ github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
 github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
 github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99 h1:twflg0XRTjwKpxb/jFExr4HGq6on2dEOmnL6FV+fgPw=
 github.com/gopherjs/gopherjs v0.0.0-20190910122728-9d188e94fb99/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
+github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA=
+github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo=
+github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM=
 github.com/hashicorp/hcl v1.0.0/go.mod h1:E5yfLk+7swimpb2L/Alb/PJmXilQ/rhwaUYs4T20WEQ=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ikawaha/kagome.ipadic v1.1.2/go.mod h1:DPSBbU0czaJhAb/5uKQZHMc9MTVRpDugJfX+HddPHHg=
@@ -103,6 +107,8 @@ github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.1.5 h1:/o9tlHleP7gOFmsnYNz3RGnqzefHA47wQpKrrdTIwXQ=
 github.com/jinzhu/now v1.1.5/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/jlaffaye/ftp v0.2.0 h1:lXNvW7cBu7R/68bknOX3MrRIIqZ61zELs1P2RAiA3lg=
+github.com/jlaffaye/ftp v0.2.0/go.mod h1:is2Ds5qkhceAPy2xD6RLI6hmp/qysSoymZ+Z2uTnspI=
 github.com/jmhodges/levigo v1.0.0 h1:q5EC36kV79HWeTBWsod3mG11EgStG3qArTKcvlksN1U=
 github.com/jmhodges/levigo v1.0.0/go.mod h1:Q6Qx+uH3RAqyK4rFQroq9RL7mdkABMcfhEI+nNuzMJQ=
 github.com/jtolds/gls v4.20.0+incompatible h1:xdiiI2gbIgH/gLH7ADydsJ1uDOEzR8yvV7C0MuV77Wo=

server/api/file.go

@@ -225,7 +225,18 @@ func downloadFile(c fiber.Ctx) error {
 		return err
 	}
 	if strings.HasPrefix(s, "http") {
-		return c.Redirect().Status(fiber.StatusFound).To(s)
+		uri, err := url.Parse(s)
+		if err != nil {
+			return err
+		}
+		token, err := utils.GenerateDownloadToken(s)
+		if err != nil {
+			return err
+		}
+		q := uri.Query()
+		q.Set("token", token)
+		uri.RawQuery = q.Encode()
+		return c.Redirect().Status(fiber.StatusFound).To(uri.String())
 	}
 	data := map[string]string{
 		"path":     s,

server/api/image.go

@@ -88,6 +88,10 @@ func handleGetResampledImage(c fiber.Ctx) error {
 	if err != nil {
 		return err
 	}
+	if image == nil {
+		// No resampled image, redirect to original
+		return c.Redirect().To("/api/image/" + idStr)
+	}
 	contentType := http.DetectContentType(image)
 	c.Set("Content-Type", contentType)
 	c.Set("Cache-Control", "public, max-age=31536000")

server/api/storage.go

@@ -69,6 +69,37 @@ func handleCreateLocalStorage(c fiber.Ctx) error {
 	})
 }
 
+func handleCreateFTPStorage(c fiber.Ctx) error {
+	var params service.CreateFTPStorageParams
+	if err := c.Bind().JSON(&params); err != nil {
+		return model.NewRequestError("Invalid request body")
+	}
+
+	if params.Name == "" || params.Host == "" || params.Username == "" ||
+		params.Password == "" || params.Domain == "" {
+		return model.NewRequestError("All fields are required")
+	}
+
+	if params.MaxSizeInMB <= 0 {
+		return model.NewRequestError("Max size must be greater than 0")
+	}
+
+	uid, ok := c.Locals("uid").(uint)
+	if !ok {
+		return model.NewUnAuthorizedError("You are not authorized to perform this action")
+	}
+
+	err := service.CreateFTPStorage(uid, params)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusCreated).JSON(model.Response[any]{
+		Success: true,
+		Message: "FTP storage created successfully",
+	})
+}
+
 func handleListStorages(c fiber.Ctx) error {
 	storages, err := service.ListStorages()
 	if err != nil {
@@ -136,6 +167,7 @@ func AddStorageRoutes(r fiber.Router) {
 	s := r.Group("storage")
 	s.Post("/s3", handleCreateS3Storage)
 	s.Post("/local", handleCreateLocalStorage)
+	s.Post("/ftp", handleCreateFTPStorage)
 	s.Get("/", handleListStorages)
 	s.Delete("/:id", handleDeleteStorage)
 	s.Put("/:id/default", handleSetDefaultStorage)

server/service/image.go

@@ -173,12 +173,17 @@ func deleteImage(id uint) error {
 	return nil
 }
 
+// GetResampledImage returns a resampled version of the image if it exceeds the maximum pixel limit, otherwise returns nil.
 func GetResampledImage(id uint) ([]byte, error) {
 	i, err := dao.GetImageByID(id)
 	if err != nil {
 		return nil, err
 	}
 
+	if i.Width*i.Height <= resampledMaxPixels {
+		return nil, nil
+	}
+
 	data, err := getOrCreateResampledImage(i)
 	if err != nil {
 		log.Error("Error getting or creating resampled image:", err)

server/service/storage.go

@@ -78,6 +78,42 @@ func CreateLocalStorage(uid uint, params CreateLocalStorageParams) error {
 	return err
 }
 
+type CreateFTPStorageParams struct {
+	Name        string `json:"name"`
+	Host        string `json:"host"`
+	Username    string `json:"username"`
+	Password    string `json:"password"`
+	BasePath    string `json:"basePath"`
+	Domain      string `json:"domain"`
+	MaxSizeInMB uint   `json:"maxSizeInMB"`
+}
+
+func CreateFTPStorage(uid uint, params CreateFTPStorageParams) error {
+	isAdmin, err := CheckUserIsAdmin(uid)
+	if err != nil {
+		log.Errorf("check user is admin failed: %s", err)
+		return model.NewInternalServerError("check user is admin failed")
+	}
+	if !isAdmin {
+		return model.NewUnAuthorizedError("only admin can create ftp storage")
+	}
+	ftp := storage.FTPStorage{
+		Host:     params.Host,
+		Username: params.Username,
+		Password: params.Password,
+		BasePath: params.BasePath,
+		Domain:   params.Domain,
+	}
+	s := model.Storage{
+		Name:    params.Name,
+		Type:    ftp.Type(),
+		Config:  ftp.ToString(),
+		MaxSize: int64(params.MaxSizeInMB) * 1024 * 1024,
+	}
+	_, err = dao.CreateStorage(s)
+	return err
+}
+
 func ListStorages() ([]model.StorageView, error) {
 	storages, err := dao.GetStorages()
 	if err != nil {

server/storage/ftp.go

@@ -0,0 +1,164 @@
+package storage
+
+import (
+	"encoding/json"
+	"errors"
+	"os"
+	"path"
+	"time"
+
+	"github.com/gofiber/fiber/v3/log"
+	"github.com/google/uuid"
+	"github.com/jlaffaye/ftp"
+)
+
+type FTPStorage struct {
+	Host     string // FTP服务器地址，例如: "ftp.example.com:21"
+	Username string // FTP用户名
+	Password string // FTP密码
+	BasePath string // FTP服务器上的基础路径，例如: "/uploads"
+	Domain   string // 文件服务器域名，用于生成下载链接，例如: "files.example.com"
+}
+
+func (f *FTPStorage) Upload(filePath string, fileName string) (string, error) {
+	// 连接到FTP服务器
+	conn, err := ftp.Dial(f.Host, ftp.DialWithTimeout(10*time.Second))
+	if err != nil {
+		log.Error("Failed to connect to FTP server: ", err)
+		return "", errors.New("failed to connect to FTP server")
+	}
+	defer conn.Quit()
+
+	// 登录
+	err = conn.Login(f.Username, f.Password)
+	if err != nil {
+		log.Error("Failed to login to FTP server: ", err)
+		return "", errors.New("failed to login to FTP server")
+	}
+
+	// 生成唯一的存储键
+	storageKey := uuid.NewString() + "/" + fileName
+	remotePath := path.Join(f.BasePath, storageKey)
+
+	// 创建远程目录
+	remoteDir := path.Dir(remotePath)
+	err = f.createRemoteDir(conn, remoteDir)
+	if err != nil {
+		log.Error("Failed to create remote directory: ", err)
+		return "", errors.New("failed to create remote directory")
+	}
+
+	// 打开本地文件
+	file, err := os.Open(filePath)
+	if err != nil {
+		log.Error("Failed to open local file: ", err)
+		return "", errors.New("failed to open local file")
+	}
+	defer file.Close()
+
+	// 上传文件
+	err = conn.Stor(remotePath, file)
+	if err != nil {
+		log.Error("Failed to upload file to FTP server: ", err)
+		return "", errors.New("failed to upload file to FTP server")
+	}
+
+	return storageKey, nil
+}
+
+func (f *FTPStorage) Download(storageKey string, fileName string) (string, error) {
+	// 返回文件下载链接：域名 + 存储键
+	if f.Domain == "" {
+		return "", errors.New("domain is not configured")
+	}
+	return "https://" + f.Domain + "/" + storageKey, nil
+}
+
+func (f *FTPStorage) Delete(storageKey string) error {
+	// 连接到FTP服务器
+	conn, err := ftp.Dial(f.Host, ftp.DialWithTimeout(10*time.Second))
+	if err != nil {
+		log.Error("Failed to connect to FTP server: ", err)
+		return errors.New("failed to connect to FTP server")
+	}
+	defer conn.Quit()
+
+	// 登录
+	err = conn.Login(f.Username, f.Password)
+	if err != nil {
+		log.Error("Failed to login to FTP server: ", err)
+		return errors.New("failed to login to FTP server")
+	}
+
+	// 删除文件
+	remotePath := path.Join(f.BasePath, storageKey)
+	err = conn.Delete(remotePath)
+	if err != nil {
+		log.Error("Failed to delete file from FTP server: ", err)
+		return errors.New("failed to delete file from FTP server")
+	}
+
+	return nil
+}
+
+func (f *FTPStorage) ToString() string {
+	data, _ := json.Marshal(f)
+	return string(data)
+}
+
+func (f *FTPStorage) FromString(config string) error {
+	var ftpConfig FTPStorage
+	if err := json.Unmarshal([]byte(config), &ftpConfig); err != nil {
+		return err
+	}
+	f.Host = ftpConfig.Host
+	f.Username = ftpConfig.Username
+	f.Password = ftpConfig.Password
+	f.BasePath = ftpConfig.BasePath
+	f.Domain = ftpConfig.Domain
+
+	if f.Host == "" || f.Username == "" || f.Password == "" || f.Domain == "" {
+		return errors.New("invalid FTP configuration")
+	}
+	if f.BasePath == "" {
+		f.BasePath = "/"
+	}
+	return nil
+}
+
+func (f *FTPStorage) Type() string {
+	return "ftp"
+}
+
+// createRemoteDir 递归创建远程目录
+func (f *FTPStorage) createRemoteDir(conn *ftp.ServerConn, dirPath string) error {
+	if dirPath == "" || dirPath == "/" || dirPath == "." {
+		return nil
+	}
+
+	// 尝试进入目录，如果失败则创建
+	err := conn.ChangeDir(dirPath)
+	if err == nil {
+		// 目录存在，返回根目录
+		conn.ChangeDir("/")
+		return nil
+	}
+
+	// 递归创建父目录
+	parentDir := path.Dir(dirPath)
+	if parentDir != dirPath {
+		err = f.createRemoteDir(conn, parentDir)
+		if err != nil {
+			return err
+		}
+	}
+
+	// 创建当前目录
+	err = conn.MakeDir(dirPath)
+	if err != nil {
+		// 忽略目录已存在的错误
+		return nil
+	}
+
+	return nil
+}

server/storage/storage.go

@@ -43,6 +43,14 @@ func NewStorage(s model.Storage) IStorage {
 			return nil
 		}
 		return &r
+
+	case "ftp":
+		r := FTPStorage{}
+		err := r.FromString(s.Config)
+		if err != nil {
+			return nil
+		}
+		return &r
 	}
 	return nil
 }

server/utils/jwt.go

@@ -3,9 +3,10 @@ package utils
 import (
 	"crypto/rand"
 	"errors"
-	"github.com/golang-jwt/jwt/v5"
 	"os"
 	"time"
+
+	"github.com/golang-jwt/jwt/v5"
 )
 
 var (
@@ -93,3 +94,24 @@ func ParseTemporaryToken(token string) (string, error) {
 	}
 	return "", errors.New("invalid token")
 }
+
+func GenerateDownloadToken(fileKey string) (string, error) {
+	secretKeyStr := os.Getenv("DOWNLOAD_SECRET_KEY")
+	var secretKey []byte
+	if secretKeyStr == "" {
+		secretKey = key
+	} else {
+		secretKey = []byte(secretKeyStr)
+	}
+
+	t := jwt.NewWithClaims(jwt.SigningMethodHS256,
+		jwt.MapClaims{
+			"fileKey": fileKey,
+			"exp":     time.Now().Add(1 * time.Hour).Unix(),
+		})
+	s, err := t.SignedString(secretKey)
+	if err != nil {
+		return "", err
+	}
+	return s, nil
+}