Exemple #1
0
def update_post_content(post: model.Post, content: Optional[bytes]) -> None:
    assert post
    if not content:
        raise InvalidPostContentError('Post content missing.')

    update_signature = False
    post.mime_type = mime.get_mime_type(content)
    if mime.is_flash(post.mime_type):
        post.type = model.Post.TYPE_FLASH
    elif mime.is_image(post.mime_type):
        update_signature = True
        if mime.is_animated_gif(content):
            post.type = model.Post.TYPE_ANIMATION
        else:
            post.type = model.Post.TYPE_IMAGE
    elif mime.is_video(post.mime_type):
        post.type = model.Post.TYPE_VIDEO
    else:
        raise InvalidPostContentError(
            'Unhandled file type: %r' % post.mime_type)

    post.checksum = util.get_sha1(content)
    other_post = (
        db.session
        .query(model.Post)
        .filter(model.Post.checksum == post.checksum)
        .filter(model.Post.post_id != post.post_id)
        .one_or_none())
    if other_post \
            and other_post.post_id \
            and other_post.post_id != post.post_id:
        raise PostAlreadyUploadedError(other_post)

    if update_signature:
        purge_post_signature(post)
        post.signature = generate_post_signature(post, content)

    post.file_size = len(content)
    try:
        image = images.Image(content)
        post.canvas_width = image.width
        post.canvas_height = image.height
    except errors.ProcessingError:
        if not config.config['allow_broken_uploads']:
            raise InvalidPostContentError(
                'Unable to process image metadata')
        else:
            post.canvas_width = None
            post.canvas_height = None
    if (post.canvas_width is not None and post.canvas_width <= 0) \
            or (post.canvas_height is not None and post.canvas_height <= 0):
        if not config.config['allow_broken_uploads']:
            raise InvalidPostContentError(
                'Invalid image dimensions returned during processing')
        else:
            post.canvas_width = None
            post.canvas_height = None
    setattr(post, '__content', content)
Exemple #2
0
def update_post_content(post: model.Post, content: Optional[bytes]) -> None:
    assert post
    if not content:
        raise InvalidPostContentError('Post content missing.')
    post.mime_type = mime.get_mime_type(content)
    if mime.is_flash(post.mime_type):
        post.type = model.Post.TYPE_FLASH
    elif mime.is_image(post.mime_type):
        if mime.is_animated_gif(content):
            post.type = model.Post.TYPE_ANIMATION
        else:
            post.type = model.Post.TYPE_IMAGE
    elif mime.is_video(post.mime_type):
        post.type = model.Post.TYPE_VIDEO
    else:
        raise InvalidPostContentError(
            'Unhandled file type: %r' % post.mime_type)

    post.checksum = util.get_sha1(content)
    other_post = (
        db.session
        .query(model.Post)
        .filter(model.Post.checksum == post.checksum)
        .filter(model.Post.post_id != post.post_id)
        .one_or_none())
    if other_post \
            and other_post.post_id \
            and other_post.post_id != post.post_id:
        raise PostAlreadyUploadedError(other_post)

    post.file_size = len(content)
    try:
        image = images.Image(content)
        post.canvas_width = image.width
        post.canvas_height = image.height
    except errors.ProcessingError:
        post.canvas_width = None
        post.canvas_height = None
    if (post.canvas_width is not None and post.canvas_width <= 0) \
            or (post.canvas_height is not None and post.canvas_height <= 0):
        post.canvas_width = None
        post.canvas_height = None
    setattr(post, '__content', content)
Exemple #3
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def update_post_content(post: model.Post, content: Optional[bytes]) -> None:
    assert post
    if not content:
        raise InvalidPostContentError('Post content missing.')
    post.mime_type = mime.get_mime_type(content)
    if mime.is_flash(post.mime_type):
        post.type = model.Post.TYPE_FLASH
    elif mime.is_image(post.mime_type):
        if mime.is_animated_gif(content):
            post.type = model.Post.TYPE_ANIMATION
        else:
            post.type = model.Post.TYPE_IMAGE
    elif mime.is_video(post.mime_type):
        post.type = model.Post.TYPE_VIDEO
    else:
        raise InvalidPostContentError('Unhandled file type: %r' %
                                      post.mime_type)

    post.checksum = util.get_sha1(content)
    other_post = db.session \
        .query(model.Post) \
        .filter(model.Post.checksum == post.checksum) \
        .filter(model.Post.post_id != post.post_id) \
        .one_or_none()
    if other_post \
            and other_post.post_id \
            and other_post.post_id != post.post_id:
        raise PostAlreadyUploadedError(other_post)

    post.file_size = len(content)
    try:
        image = images.Image(content)
        post.canvas_width = image.width
        post.canvas_height = image.height
    except errors.ProcessingError:
        post.canvas_width = None
        post.canvas_height = None
    if (post.canvas_width is not None and post.canvas_width <= 0) \
            or (post.canvas_height is not None and post.canvas_height <= 0):
        post.canvas_width = None
        post.canvas_height = None
    setattr(post, '__content', content)
Exemple #4
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def update_post_content(post, content):
    if not content:
        raise InvalidPostContentError('Post content missing.')
    post.mime_type = mime.get_mime_type(content)
    if mime.is_flash(post.mime_type):
        post.type = db.Post.TYPE_FLASH
    elif mime.is_image(post.mime_type):
        if mime.is_animated_gif(content):
            post.type = db.Post.TYPE_ANIMATION
        else:
            post.type = db.Post.TYPE_IMAGE
    elif mime.is_video(post.mime_type):
        post.type = db.Post.TYPE_VIDEO
    else:
        raise InvalidPostContentError('Unhandled file type: %r' % post.mime_type)

    post.checksum = util.get_md5(content)
    other_post = db.session \
        .query(db.Post) \
        .filter(db.Post.checksum == post.checksum) \
        .filter(db.Post.post_id != post.post_id) \
        .one_or_none()
    if other_post:
        raise PostAlreadyUploadedError(
            'Post already uploaded (%d)' % other_post.post_id)

    post.file_size = len(content)
    try:
        image = images.Image(content)
        post.canvas_width = image.width
        post.canvas_height = image.height
    except errors.ProcessingError:
        post.canvas_width = None
        post.canvas_height = None
    files.save(get_post_content_path(post), content)
    update_post_thumbnail(post, content=None, delete=False)
Exemple #5
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def test_is_image(input_mime_type, expected_state):
    assert mime.is_image(input_mime_type) == expected_state
Exemple #6
0
def test_is_image(input_mime_type, expected_state):
    assert mime.is_image(input_mime_type) == expected_state
Exemple #7
0
def update_post_content(post: model.Post, content: Optional[bytes]) -> None:
    assert post
    if not content:
        raise InvalidPostContentError("Post content missing.")

    update_signature = False
    post.mime_type = mime.get_mime_type(content)
    if mime.is_flash(post.mime_type):
        raise InvalidPostContentError(
            "Flash animations are deprecated in this build and are slowly " +
            "being phased out.")
    elif mime.is_image(post.mime_type):
        update_signature = True
        if mime.is_animated_gif(content):
            post.type = model.Post.TYPE_ANIMATION
        else:
            post.type = model.Post.TYPE_IMAGE
    elif mime.is_video(post.mime_type):
        post.type = model.Post.TYPE_VIDEO
    else:
        raise InvalidPostContentError(f"Unhandled file type: {post.mime_type}")

    post.checksum = util.get_sha1(content)
    post.checksum_md5 = util.get_md5(content)
    other_post = (db.session.query(
        model.Post).filter(model.Post.checksum == post.checksum).filter(
            model.Post.post_id != post.post_id).one_or_none())
    if (other_post and other_post.post_id
            and other_post.post_id != post.post_id):
        raise PostAlreadyUploadedError(other_post)

    if update_signature:
        purge_post_signature(post)
        post.signature = generate_post_signature(post, content)

    post.file_size = len(content)

    post.canvas_width = None
    post.canvas_height = None
    post.date_taken = None
    post.camera = None

    try:
        if post.type == model.Post.TYPE_IMAGE:
            media = images.Image(content)
        elif post.type in (model.Post.TYPE_ANIMATION, model.Post.TYPE_VIDEO):
            media = images.Video(content)
    except Exception as ex:
        logger.exception(ex)
        if not config.config["allow_broken_uploads"]:
            raise InvalidPostContentError("Unable to process image metadata")
    else:
        if not media.width or not media.height:
            if not config.config["allow_broken_uploads"]:
                raise InvalidPostContentError(
                    "Invalid image dimensions returned during processing")

        post.canvas_width = media.width
        post.canvas_height = media.height
        post.date_taken = media.date_taken
        post.camera = media.camera

    setattr(post, "__content", content)