88 lines
2.4 KiB
Go
88 lines
2.4 KiB
Go
package api
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import (
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"fmt"
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"net/http"
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"path"
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"github.com/gin-gonic/gin"
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"github.com/photoprism/photoprism/internal/config"
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"github.com/photoprism/photoprism/internal/entity"
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"github.com/photoprism/photoprism/internal/query"
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"github.com/photoprism/photoprism/internal/thumb"
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"github.com/photoprism/photoprism/pkg/fs"
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"github.com/photoprism/photoprism/pkg/txt"
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)
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// GET /api/v1/thumbnails/:hash/:type
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//
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// Parameters:
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// hash: string The file hash as returned by the search API
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// type: string Thumbnail type, see photoprism.ThumbnailTypes
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func GetThumbnail(router *gin.RouterGroup, conf *config.Config) {
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router.GET("/thumbnails/:hash/:type", func(c *gin.Context) {
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fileHash := c.Param("hash")
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typeName := c.Param("type")
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thumbType, ok := thumb.Types[typeName]
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if !ok {
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log.Errorf("photo: invalid thumb type %s", txt.Quote(typeName))
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c.Data(http.StatusOK, "image/svg+xml", photoIconSvg)
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return
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}
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f, err := query.FileByHash(fileHash)
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if err != nil {
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c.Data(http.StatusOK, "image/svg+xml", photoIconSvg)
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return
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}
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if f.FileError != "" {
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c.Data(http.StatusOK, "image/svg+xml", brokenIconSvg)
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return
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}
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fileName := path.Join(conf.OriginalsPath(), f.FileName)
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if !fs.FileExists(fileName) {
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log.Errorf("photo: could not find original for %s", fileName)
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c.Data(http.StatusOK, "image/svg+xml", photoIconSvg)
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// Set missing flag so that the file doesn't show up in search results anymore
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f.FileMissing = true
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entity.Db().Save(&f)
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return
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}
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// Use original file if thumb size exceeds limit, see https://github.com/photoprism/photoprism/issues/157
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if thumbType.ExceedsLimit() && c.Query("download") == "" {
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log.Debugf("photo: using original, thumbnail size exceeds limit (width %d, height %d)", thumbType.Width, thumbType.Height)
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c.File(fileName)
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return
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}
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var thumbnail string
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if conf.ThumbUncached() || thumbType.OnDemand() {
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thumbnail, err = thumb.FromFile(fileName, f.FileHash, conf.ThumbPath(), thumbType.Width, thumbType.Height, thumbType.Options...)
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} else {
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thumbnail, err = thumb.FromCache(fileName, f.FileHash, conf.ThumbPath(), thumbType.Width, thumbType.Height, thumbType.Options...)
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}
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if err != nil {
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log.Errorf("photo: %s", err)
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c.Data(http.StatusOK, "image/svg+xml", photoIconSvg)
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return
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}
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if c.Query("download") != "" {
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c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=%s", f.ShareFileName()))
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}
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c.File(thumbnail)
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})
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}
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