Paperclip/pkg/internal/server/api/attachments_api.go

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package api
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import (
"fmt"
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"git.solsynth.dev/hydrogen/paperclip/pkg/internal/database"
"git.solsynth.dev/hydrogen/paperclip/pkg/internal/gap"
"git.solsynth.dev/hydrogen/paperclip/pkg/internal/server/exts"
"net/url"
"path/filepath"
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"git.solsynth.dev/hydrogen/paperclip/pkg/internal/models"
"git.solsynth.dev/hydrogen/paperclip/pkg/internal/services"
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"github.com/gofiber/fiber/v2"
jsoniter "github.com/json-iterator/go"
"github.com/samber/lo"
"github.com/spf13/viper"
)
func openAttachment(c *fiber.Ctx) error {
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id := c.Params("id")
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metadata, err := services.GetAttachmentByRID(id)
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if err != nil {
return fiber.NewError(fiber.StatusNotFound)
}
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var destMap map[string]any
if metadata.Destination == models.AttachmentDstTemporary {
destMap = viper.GetStringMap("destinations.temporary")
} else {
destMap = viper.GetStringMap("destinations.permanent")
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}
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var dest models.BaseDestination
rawDest, _ := jsoniter.Marshal(destMap)
_ = jsoniter.Unmarshal(rawDest, &dest)
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switch dest.Type {
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case models.DestinationTypeLocal:
var destConfigured models.LocalDestination
_ = jsoniter.Unmarshal(rawDest, &destConfigured)
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if len(metadata.MimeType) > 0 {
c.Set(fiber.HeaderContentType, metadata.MimeType)
}
return c.SendFile(filepath.Join(destConfigured.Path, metadata.Uuid), false)
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case models.DestinationTypeS3:
var destConfigured models.S3Destination
_ = jsoniter.Unmarshal(rawDest, &destConfigured)
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if len(destConfigured.AccessBaseURL) > 0 {
return c.Redirect(fmt.Sprintf(
"%s/%s",
destConfigured.AccessBaseURL,
url.QueryEscape(filepath.Join(destConfigured.Path, metadata.Uuid)),
), fiber.StatusMovedPermanently)
} else {
protocol := lo.Ternary(destConfigured.EnableSSL, "https", "http")
return c.Redirect(fmt.Sprintf(
"%s://%s.%s/%s",
protocol,
destConfigured.Bucket,
destConfigured.Endpoint,
url.QueryEscape(filepath.Join(destConfigured.Path, metadata.Uuid)),
), fiber.StatusMovedPermanently)
}
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default:
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return fmt.Errorf("invalid destination: unsupported protocol %s", dest.Type)
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}
}
func getAttachmentMeta(c *fiber.Ctx) error {
id := c.Params("id")
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metadata, err := services.GetAttachmentByRID(id)
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if err != nil {
return fiber.NewError(fiber.StatusNotFound)
}
return c.JSON(metadata)
}
func createAttachment(c *fiber.Ctx) error {
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if err := gap.H.EnsureAuthenticated(c); err != nil {
return err
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}
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user := c.Locals("user").(models.Account)
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poolAlias := c.FormValue("pool")
if len(poolAlias) == 0 {
poolAlias = c.FormValue("usage")
}
aliasingMap := viper.GetStringMapString("pools.aliases")
if val, ok := aliasingMap[poolAlias]; ok {
poolAlias = val
}
pool, err := services.GetAttachmentPoolByAlias(poolAlias)
if err != nil {
return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("unable to get attachment pool info: %v", err))
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}
file, err := c.FormFile("file")
if err != nil {
return err
}
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if err = gap.H.EnsureGrantedPerm(c, "CreateAttachments", file.Size); err != nil {
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return err
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} else if pool.Config.Data().MaxFileSize != nil && file.Size > *pool.Config.Data().MaxFileSize {
return fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("attachment pool %s doesn't allow file larger than %d", pool.Alias, *pool.Config.Data().MaxFileSize))
}
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usermeta := make(map[string]any)
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_ = jsoniter.UnmarshalFromString(c.FormValue("metadata"), &usermeta)
tx := database.C.Begin()
metadata, err := services.NewAttachmentMetadata(tx, user, file, models.Attachment{
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Alternative: c.FormValue("alt"),
MimeType: c.FormValue("mimetype"),
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Metadata: usermeta,
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IsMature: len(c.FormValue("mature")) > 0,
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IsAnalyzed: false,
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Destination: models.AttachmentDstTemporary,
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Pool: &pool,
PoolID: &pool.ID,
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})
if err != nil {
tx.Rollback()
return fiber.NewError(fiber.StatusBadRequest, err.Error())
}
if err := services.UploadFileToTemporary(c, file, metadata); err != nil {
tx.Rollback()
return fiber.NewError(fiber.StatusBadRequest, err.Error())
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}
tx.Commit()
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metadata.Account = user
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metadata.Pool = &pool
services.PublishAnalyzeTask(metadata)
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return c.JSON(metadata)
}
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func updateAttachmentMeta(c *fiber.Ctx) error {
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id, _ := c.ParamsInt("id", 0)
if err := gap.H.EnsureAuthenticated(c); err != nil {
return err
}
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user := c.Locals("user").(models.Account)
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var data struct {
Alternative string `json:"alt"`
IsMature bool `json:"is_mature"`
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}
if err := exts.BindAndValidate(c, &data); err != nil {
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return err
}
var attachment models.Attachment
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if err := database.C.Where("id = ? AND account_id = ?", id, user.ID).First(&attachment).Error; err != nil {
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return fiber.NewError(fiber.StatusBadRequest, err.Error())
}
attachment.Alternative = data.Alternative
attachment.IsMature = data.IsMature
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if attachment, err := services.UpdateAttachment(attachment); err != nil {
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return fiber.NewError(fiber.StatusBadRequest, err.Error())
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} else {
return c.JSON(attachment)
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}
}
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func deleteAttachment(c *fiber.Ctx) error {
id, _ := c.ParamsInt("id", 0)
if err := gap.H.EnsureAuthenticated(c); err != nil {
return err
}
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user := c.Locals("user").(models.Account)
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attachment, err := services.GetAttachmentByID(uint(id))
if err != nil {
return fiber.NewError(fiber.StatusNotFound, err.Error())
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} else if attachment.AccountID != user.ID {
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return fiber.NewError(fiber.StatusNotFound, "record not created by you")
}
if err := services.DeleteAttachment(attachment); err != nil {
return fiber.NewError(fiber.StatusInternalServerError, err.Error())
} else {
return c.SendStatus(fiber.StatusOK)
}
}