feat: ability to limit the max expiration of a share

backend/prisma/seed/config.seed.ts

@@ -37,6 +37,11 @@ const configVariables: ConfigVariables = {
       defaultValue: "false",
       secret: false,
     },
+    maxExpiration: {
+      type: "number",
+      defaultValue: "0",
+      secret: false,
+    },
     maxSize: {
       type: "number",
       defaultValue: "1000000000",

backend/src/reverseShare/reverseShare.service.ts

@@ -3,6 +3,7 @@ import * as moment from "moment";
 import { ConfigService } from "src/config/config.service";
 import { FileService } from "src/file/file.service";
 import { PrismaService } from "src/prisma/prisma.service";
+import { parseRelativeDateToAbsolute } from "src/utils/date.util";
 import { CreateReverseShareDTO } from "./dto/createReverseShare.dto";
 
 @Injectable()
@@ -24,6 +25,17 @@ export class ReverseShareService {
       )
       .toDate();
 
+    const parsedExpiration = parseRelativeDateToAbsolute(data.shareExpiration);
+    if (
+      this.config.get("share.maxExpiration") !== 0 &&
+      parsedExpiration >
+        moment().add(this.config.get("share.maxExpiration"), "hours").toDate()
+    ) {
+      throw new BadRequestException(
+        "Expiration date exceeds maximum expiration date",
+      );
+    }
+
     const globalMaxShareSize = this.config.get("share.maxSize");
 
     if (globalMaxShareSize < data.maxShareSize)

backend/src/share/share.service.ts

@@ -16,6 +16,7 @@ import { EmailService } from "src/email/email.service";
 import { FileService } from "src/file/file.service";
 import { PrismaService } from "src/prisma/prisma.service";
 import { ReverseShareService } from "src/reverseShare/reverseShare.service";
+import { parseRelativeDateToAbsolute } from "src/utils/date.util";
 import { SHARE_DIRECTORY } from "../constants";
 import { CreateShareDTO } from "./dto/createShare.dto";
 
@@ -51,19 +52,19 @@ export class ShareService {
     if (reverseShare) {
       expirationDate = reverseShare.shareExpiration;
     } else {
-      // We have to add an exception for "never" (since moment won't like that)
-      if (share.expiration !== "never") {
-        expirationDate = moment()
-          .add(
-            share.expiration.split("-")[0],
-            share.expiration.split(
-              "-",
-            )[1] as moment.unitOfTime.DurationConstructor,
-          )
-          .toDate();
-      } else {
-        expirationDate = moment(0).toDate();
+      const parsedExpiration = parseRelativeDateToAbsolute(share.expiration);
+
+      if (
+        this.config.get("share.maxExpiration") !== 0 &&
+        parsedExpiration >
+          moment().add(this.config.get("share.maxExpiration"), "hours").toDate()
+      ) {
+        throw new BadRequestException(
+          "Expiration date exceeds maximum expiration date",
+        );
       }
+
+      expirationDate = parsedExpiration;
     }
 
     fs.mkdirSync(`${SHARE_DIRECTORY}/${share.id}`, {

backend/src/utils/date.util.ts

@@ -0,0 +1,12 @@
+import * as moment from "moment";
+
+export function parseRelativeDateToAbsolute(relativeDate: string) {
+  if (relativeDate == "never") return moment(0).toDate();
+
+  return moment()
+    .add(
+      relativeDate.split("-")[0],
+      relativeDate.split("-")[1] as moment.unitOfTime.DurationConstructor,
+    )
+    .toDate();
+}

frontend/src/components/share/modals/showCreateReverseShareModal.tsx

@@ -12,6 +12,7 @@ import {
 import { useForm } from "@mantine/form";
 import { useModals } from "@mantine/modals";
 import { ModalsContextProps } from "@mantine/modals/lib/context";
+import moment from "moment";
 import { FormattedMessage } from "react-intl";
 import useTranslate, {
   translateOutsideContext,
@@ -25,6 +26,7 @@ import showCompletedReverseShareModal from "./showCompletedReverseShareModal";
 const showCreateReverseShareModal = (
   modals: ModalsContextProps,
   showSendEmailNotificationOption: boolean,
+  maxExpirationInHours: number,
   getReverseShares: () => void,
 ) => {
   const t = translateOutsideContext();
@@ -34,6 +36,7 @@ const showCreateReverseShareModal = (
       <Body
         showSendEmailNotificationOption={showSendEmailNotificationOption}
         getReverseShares={getReverseShares}
+        maxExpirationInHours={maxExpirationInHours}
       />
     ),
   });
@@ -42,9 +45,11 @@ const showCreateReverseShareModal = (
 const Body = ({
   getReverseShares,
   showSendEmailNotificationOption,
+  maxExpirationInHours,
 }: {
   getReverseShares: () => void;
   showSendEmailNotificationOption: boolean;
+  maxExpirationInHours: number;
 }) => {
   const modals = useModals();
   const t = useTranslate();
@@ -58,27 +63,45 @@ const Body = ({
       expiration_unit: "-days",
     },
   });
+
+  const onSubmit = form.onSubmit(async (values) => {
+    const expirationDate = moment().add(
+      form.values.expiration_num,
+      form.values.expiration_unit.replace(
+        "-",
+        "",
+      ) as moment.unitOfTime.DurationConstructor,
+    );
+    if (expirationDate.isAfter(moment().add(maxExpirationInHours, "hours"))) {
+      form.setFieldError(
+        "expiration_num",
+        t("upload.modal.expires.error.too-long", {
+          max: moment.duration(maxExpirationInHours, "hours").humanize(),
+        }),
+      );
+      return;
+    }
+
+    shareService
+      .createReverseShare(
+        values.expiration_num + values.expiration_unit,
+        values.maxShareSize,
+        values.maxUseCount,
+        values.sendEmailNotification,
+      )
+      .then(({ link }) => {
+        modals.closeAll();
+        showCompletedReverseShareModal(modals, link, getReverseShares);
+      })
+      .catch(toast.axiosError);
+  });
+
   return (
     <Group>
-      <form
-        onSubmit={form.onSubmit(async (values) => {
-          shareService
-            .createReverseShare(
-              values.expiration_num + values.expiration_unit,
-              values.maxShareSize,
-              values.maxUseCount,
-              values.sendEmailNotification,
-            )
-            .then(({ link }) => {
-              modals.closeAll();
-              showCompletedReverseShareModal(modals, link, getReverseShares);
-            })
-            .catch(toast.axiosError);
-        })}
-      >
+      <form onSubmit={onSubmit}>
         <Stack align="stretch">
           <div>
-            <Grid align={form.errors.link ? "center" : "flex-end"}>
+            <Grid align={form.errors.expiration_num ? "center" : "flex-end"}>
               <Col xs={6}>
                 <NumberInput
                   min={1}

frontend/src/components/upload/modals/showCreateUploadModal.tsx

@@ -18,6 +18,7 @@ import {
 import { useForm, yupResolver } from "@mantine/form";
 import { useModals } from "@mantine/modals";
 import { ModalsContextProps } from "@mantine/modals/lib/context";
+import moment from "moment";
 import { useState } from "react";
 import { TbAlertCircle } from "react-icons/tb";
 import { FormattedMessage } from "react-intl";
@@ -38,6 +39,7 @@ const showCreateUploadModal = (
     appUrl: string;
     allowUnauthenticatedShares: boolean;
     enableEmailRecepients: boolean;
+    maxExpirationInHours: number;
   },
   files: FileUpload[],
   uploadCallback: (createShare: CreateShare, files: FileUpload[]) => void,
@@ -69,6 +71,7 @@ const CreateUploadModalBody = ({
     appUrl: string;
     allowUnauthenticatedShares: boolean;
     enableEmailRecepients: boolean;
+    maxExpirationInHours: number;
   };
 }) => {
   const modals = useModals();
@@ -92,6 +95,7 @@ const CreateUploadModalBody = ({
     password: yup.string().min(3).max(30),
     maxViews: yup.number().min(1),
   });
+
   const form = useForm({
     initialValues: {
       link: generatedLink,
@@ -105,6 +109,55 @@ const CreateUploadModalBody = ({
     },
     validate: yupResolver(validationSchema),
   });
+
+  const onSubmit = form.onSubmit(async (values) => {
+    if (!(await shareService.isShareIdAvailable(values.link))) {
+      form.setFieldError("link", t("upload.modal.link.error.taken"));
+    } else {
+      const expirationString = form.values.never_expires
+        ? "never"
+        : form.values.expiration_num + form.values.expiration_unit;
+
+      const expirationDate = moment().add(
+        form.values.expiration_num,
+        form.values.expiration_unit.replace(
+          "-",
+          "",
+        ) as moment.unitOfTime.DurationConstructor,
+      );
+      if (
+        expirationDate.isAfter(
+          moment().add(options.maxExpirationInHours, "hours"),
+        )
+      ) {
+        form.setFieldError(
+          "expiration_num",
+          t("upload.modal.expires.error.too-long", {
+            max: moment
+              .duration(options.maxExpirationInHours, "hours")
+              .humanize(),
+          }),
+        );
+        return;
+      }
+
+      uploadCallback(
+        {
+          id: values.link,
+          expiration: expirationString,
+          recipients: values.recipients,
+          description: values.description,
+          security: {
+            password: values.password,
+            maxViews: values.maxViews,
+          },
+        },
+        files,
+      );
+      modals.closeAll();
+    }
+  });
+
   return (
     <>
       {showNotSignedInAlert && !options.isUserSignedIn && (
@@ -118,33 +171,9 @@ const CreateUploadModalBody = ({
           <FormattedMessage id="upload.modal.not-signed-in-description" />
         </Alert>
       )}
-      <form
-        onSubmit={form.onSubmit(async (values) => {
-          if (!(await shareService.isShareIdAvailable(values.link))) {
-            form.setFieldError("link", t("upload.modal.link.error.taken"));
-          } else {
-            const expiration = form.values.never_expires
-              ? "never"
-              : form.values.expiration_num + form.values.expiration_unit;
-            uploadCallback(
-              {
-                id: values.link,
-                expiration: expiration,
-                recipients: values.recipients,
-                description: values.description,
-                security: {
-                  password: values.password,
-                  maxViews: values.maxViews,
-                },
-              },
-              files,
-            );
-            modals.closeAll();
-          }
-        })}
-      >
+      <form onSubmit={onSubmit}>
         <Stack align="stretch">
-          <Group align="end">
+          <Group align={form.errors.link ? "center" : "flex-end"}>
             <TextInput
               style={{ flex: "1" }}
               variant="filled"
@@ -179,7 +208,7 @@ const CreateUploadModalBody = ({
           </Text>
           {!options.isReverseShare && (
             <>
-              <Grid align={form.errors.link ? "center" : "flex-end"}>
+              <Grid align={form.errors.expiration_num ? "center" : "flex-end"}>
                 <Col xs={6}>
                   <NumberInput
                     min={1}

frontend/src/i18n/translations/en-US.ts

@@ -288,6 +288,7 @@ export default {
 
   "upload.modal.expires.never": "never",
   "upload.modal.expires.never-long": "Never Expires",
+  "upload.modal.expires.error.too-long": "Expiration exceeds maximum expiration date of {max}.",
 
   "upload.modal.link.label": "Link",
   "upload.modal.expires.label": "Expiration",
@@ -413,6 +414,9 @@ export default {
     "Allow unauthenticated shares",
   "admin.config.share.allow-unauthenticated-shares.description":
     "Whether unauthenticated users can create shares",
+  "admin.config.share.max-expiration": "Max expiration",
+  "admin.config.share.max-expiration.description":
+    "Maximum share expiration in hours. Set to 0 to allow unlimited expiration.",
   "admin.config.share.max-size": "Max size",
   "admin.config.share.max-size.description": "Maximum share size in bytes",
   "admin.config.share.zip-compression-level": "Zip compression level",

frontend/src/pages/account/reverseShares.tsx

@@ -77,6 +77,7 @@ const MyShares = () => {
             showCreateReverseShareModal(
               modals,
               config.get("smtp.enabled"),
+              config.get("share.maxExpiration"),
               getReverseShares,
             )
           }

frontend/src/pages/upload/index.tsx

@@ -42,7 +42,14 @@ const Upload = ({
 
   const uploadFiles = async (share: CreateShare, files: FileUpload[]) => {
     setisUploading(true);
-    createdShare = await shareService.create(share);
+
+    try {
+      createdShare = await shareService.create(share);
+    } catch (e) {
+      toast.axiosError(e);
+      setisUploading(false);
+      return;
+    }
 
     const fileUploadPromises = files.map(async (file, fileIndex) =>
       // Limit the number of concurrent uploads to 3
@@ -132,6 +139,7 @@ const Upload = ({
           "share.allowUnauthenticatedShares",
         ),
         enableEmailRecepients: config.get("email.enableShareEmailRecipients"),
+        maxExpirationInHours: config.get("share.maxExpiration"),
       },
       files,
       uploadFiles,