예제 #1
0
static ngx_int_t
ngx_http_miniuds_handler(ngx_http_request_t *r)
{
    ngx_buf_t *b;
    ngx_chain_t out;
    ngx_str_t relative_path;

    int bGetHtml = 0;

    ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "==!!== uri: %V args: %V exten: %V request_line: %V unparsed_uri: %V.", &r->uri, &r->args, &r->exten, &r->request_line, &r->unparsed_uri);
    if (r->args.len) {
        if ( ngx_strstrn(r->args.data, "htmlId", 5) != 0 ){
                bGetHtml = 1;
        }
    }

    if ( bGetHtml == 1 ) {
        ngx_str_set(&relative_path, "{\"success\":true,\"media_relative_path\":\"/media/rrtd/enter.htm\"}");
        /*ngx_str_set(&relative_path, "{\"success\":true,\"relative_path\":\"/media/index.html\"}");*/
    } else {
        ngx_str_set(&relative_path, "{\"success\":true,\"media_relative_path\":\"/media/spring.flv\"}");
        /*ngx_str_set(&relative_path, "{\"success\":true,\"relative_path\":\"/media/test.mp4\"}");*/
        /*ngx_str_set(&relative_path, "{\"success\":false,\"error_info\":\"flv relative path error. 错误信息\"}");*/
    }
 
    /*ngx_http_core_loc_conf_t *elcf;*/
    /*elcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);*/
 
    if(!(r->method & (NGX_HTTP_GET)))
    {
        return NGX_HTTP_NOT_ALLOWED;
    }
 
    b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t));
    if(b == NULL)
    {
        ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "Failed to allocate response buffer.");
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }
    out.buf = b;
    out.next = NULL;
 
    b->pos = relative_path.data;
    b->last = relative_path.data + (relative_path.len);
    b->memory = 1;
    b->last_buf = 1;

    return ngx_http_output_filter(r, &out);
}
/* borrowed the code from ngx_http_request.c:ngx_http_process_user_agent */
static ngx_int_t
ngx_http_set_user_agent_header(ngx_http_request_t *r,
    ngx_http_headers_more_header_val_t *hv, ngx_str_t *value)
{
    u_char  *user_agent, *msie;

    /* clear existing settings */

    r->headers_in.msie = 0;
    r->headers_in.msie6 = 0;
    r->headers_in.opera = 0;
    r->headers_in.gecko = 0;
    r->headers_in.chrome = 0;
    r->headers_in.safari = 0;
    r->headers_in.konqueror = 0;

    if (value->len == 0) {
        return ngx_http_set_builtin_header(r, hv, value);
    }

    /* check some widespread browsers */

    user_agent = value->data;

    msie = ngx_strstrn(user_agent, "MSIE ", 5 - 1);

    if (msie && msie + 7 < user_agent + value->len) {

        r->headers_in.msie = 1;

        if (msie[6] == '.') {

            switch (msie[5]) {
            case '4':
            case '5':
                r->headers_in.msie6 = 1;
                break;
            case '6':
                if (ngx_strstrn(msie + 8, "SV1", 3 - 1) == NULL) {
                    r->headers_in.msie6 = 1;
                }
                break;
            }
        }
    }

    if (ngx_strstrn(user_agent, "Opera", 5 - 1)) {
        r->headers_in.opera = 1;
        r->headers_in.msie = 0;
        r->headers_in.msie6 = 0;
    }

    if (!r->headers_in.msie && !r->headers_in.opera) {

        if (ngx_strstrn(user_agent, "Gecko/", 6 - 1)) {
            r->headers_in.gecko = 1;

        } else if (ngx_strstrn(user_agent, "Chrome/", 7 - 1)) {
            r->headers_in.chrome = 1;

        } else if (ngx_strstrn(user_agent, "Safari/", 7 - 1)
                   && ngx_strstrn(user_agent, "Mac OS X", 8 - 1))
        {
            r->headers_in.safari = 1;

        } else if (ngx_strstrn(user_agent, "Konqueror", 9 - 1)) {
            r->headers_in.konqueror = 1;
        }
    }

    return ngx_http_set_builtin_header(r, hv, value);
}
예제 #3
0
static ngx_int_t
ngx_mail_proxy_read_response(ngx_mail_session_t *s, ngx_uint_t state)
{
    u_char                 *p;
#if (NGX_MAIL_HANDLE_GMAIL)
    u_char                 *ptemp;
#endif
    ssize_t                 n;
    ngx_buf_t              *b;
    ngx_mail_proxy_conf_t  *pcf;

    s->connection->log->action = "reading response from upstream";

    b = s->proxy->buffer;

    n = s->proxy->upstream.connection->recv(s->proxy->upstream.connection,
                                            b->last, b->end - b->last);

    if (n == NGX_ERROR || n == 0) {
        return NGX_ERROR;
    }

    if (n == NGX_AGAIN) {
        return NGX_AGAIN;
    }

    b->last += n;

    if (b->last - b->pos < 4) {
        return NGX_AGAIN;
    }

    if (*(b->last - 2) != CR || *(b->last - 1) != LF) {
        if (b->last == b->end) {
            *(b->last - 1) = '\0';
            ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
                          "upstream sent too long response line: \"%s\"",
                          b->pos);
            return NGX_ERROR;
        }

        return NGX_AGAIN;
    }

    p = b->pos;

    switch (s->protocol) {

    case NGX_MAIL_POP3_PROTOCOL:
        if (p[0] == '+' && p[1] == 'O' && p[2] == 'K') {
            return NGX_OK;
        }
        break;

    case NGX_MAIL_IMAP_PROTOCOL:
        switch (state) {

        case ngx_imap_start:
            if (p[0] == '*' && p[1] == ' ' && p[2] == 'O' && p[3] == 'K') {
                return NGX_OK;
            }
            break;

        case ngx_imap_login:
        case ngx_imap_user:
            if (p[0] == '+') {
                return NGX_OK;
            }
            break;

        case ngx_imap_passwd:
#if (NGX_MAIL_HANDLE_GMAIL)
            /* pass & cut inappropriate unasked CAPABILITY answer */
            if ((ptemp = ngx_strstrn(p, (char *) s->tag.data, s->tag.len - 1))) {
                p = ptemp;
#else
            if (ngx_strncmp(p, s->tag.data, s->tag.len) == 0) {
#endif
                p += s->tag.len;
                if (p[0] == 'O' && p[1] == 'K') {
                    return NGX_OK;
                }
            }
            break;
        }

        break;

    default: /* NGX_MAIL_SMTP_PROTOCOL */
        switch (state) {

        case ngx_smtp_start:
            if (p[0] == '2' && p[1] == '2' && p[2] == '0') {
                return NGX_OK;
            }
            break;

        case ngx_smtp_helo:
        case ngx_smtp_helo_xclient:
        case ngx_smtp_helo_from:
        case ngx_smtp_from:
            if (p[0] == '2' && p[1] == '5' && p[2] == '0') {
                return NGX_OK;
            }
            break;

        case ngx_smtp_xclient:
        case ngx_smtp_xclient_from:
        case ngx_smtp_xclient_helo:
            if (p[0] == '2' && (p[1] == '2' || p[1] == '5') && p[2] == '0') {
                return NGX_OK;
            }
            break;

        case ngx_smtp_to:
            return NGX_OK;
        }

        break;
    }

    pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module);

    if (pcf->pass_error_message == 0) {
        *(b->last - 2) = '\0';
        ngx_log_error(NGX_LOG_ERR, s->connection->log, 0,
                      "upstream sent invalid response: \"%s\"", p);
        return NGX_ERROR;
    }

    s->out.len = b->last - p - 2;
    s->out.data = p;

    ngx_log_error(NGX_LOG_INFO, s->connection->log, 0,
                  "upstream sent invalid response: \"%V\"", &s->out);

    s->out.len = b->last - b->pos;
    s->out.data = b->pos;

    return NGX_ERROR;
}


static void
ngx_mail_proxy_handler(ngx_event_t *ev)
{
    char                   *action, *recv_action, *send_action;
    size_t                  size;
    ssize_t                 n;
    ngx_buf_t              *b;
    ngx_uint_t              do_write;
    ngx_connection_t       *c, *src, *dst;
    ngx_mail_session_t     *s;
    ngx_mail_proxy_conf_t  *pcf;

    c = ev->data;
    s = c->data;

    if (ev->timedout) {
        c->log->action = "proxying";

        if (c == s->connection) {
            ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
                          "client timed out");
            c->timedout = 1;

        } else {
            ngx_log_error(NGX_LOG_INFO, c->log, NGX_ETIMEDOUT,
                          "upstream timed out");
        }

        ngx_mail_proxy_close_session(s);
        return;
    }

    if (c == s->connection) {
        if (ev->write) {
            recv_action = "proxying and reading from upstream";
            send_action = "proxying and sending to client";
            src = s->proxy->upstream.connection;
            dst = c;
            b = s->proxy->buffer;

        } else {
            recv_action = "proxying and reading from client";
            send_action = "proxying and sending to upstream";
            src = c;
            dst = s->proxy->upstream.connection;
            b = s->buffer;
        }

    } else {
        if (ev->write) {
            recv_action = "proxying and reading from client";
            send_action = "proxying and sending to upstream";
            src = s->connection;
            dst = c;
            b = s->buffer;

        } else {
            recv_action = "proxying and reading from upstream";
            send_action = "proxying and sending to client";
            src = c;
            dst = s->connection;
            b = s->proxy->buffer;
        }
    }

    do_write = ev->write ? 1 : 0;

    ngx_log_debug3(NGX_LOG_DEBUG_MAIL, ev->log, 0,
                   "mail proxy handler: %d, #%d > #%d",
                   do_write, src->fd, dst->fd);

    for ( ;; ) {

        if (do_write) {

            size = b->last - b->pos;

            if (size && dst->write->ready) {
                c->log->action = send_action;

                n = dst->send(dst, b->pos, size);

                if (n == NGX_ERROR) {
                    ngx_mail_proxy_close_session(s);
                    return;
                }

                if (n > 0) {
                    b->pos += n;

                    if (b->pos == b->last) {
                        b->pos = b->start;
                        b->last = b->start;
                    }
                }
            }
        }

        size = b->end - b->last;

        if (size && src->read->ready) {
            c->log->action = recv_action;

            n = src->recv(src, b->last, size);

            if (n == NGX_AGAIN || n == 0) {
                break;
            }

            if (n > 0) {
                do_write = 1;
                b->last += n;

                continue;
            }

            if (n == NGX_ERROR) {
                src->read->eof = 1;
            }
        }

        break;
    }

    c->log->action = "proxying";

    if ((s->connection->read->eof && s->buffer->pos == s->buffer->last)
            || (s->proxy->upstream.connection->read->eof
                && s->proxy->buffer->pos == s->proxy->buffer->last)
            || (s->connection->read->eof
                && s->proxy->upstream.connection->read->eof))
    {
        action = c->log->action;
        c->log->action = NULL;
        ngx_log_error(NGX_LOG_INFO, c->log, 0, "proxied session done");
        c->log->action = action;

        ngx_mail_proxy_close_session(s);
        return;
    }

    if (ngx_handle_write_event(dst->write, 0) != NGX_OK) {
        ngx_mail_proxy_close_session(s);
        return;
    }

    if (ngx_handle_read_event(dst->read, 0) != NGX_OK) {
        ngx_mail_proxy_close_session(s);
        return;
    }

    if (ngx_handle_write_event(src->write, 0) != NGX_OK) {
        ngx_mail_proxy_close_session(s);
        return;
    }

    if (ngx_handle_read_event(src->read, 0) != NGX_OK) {
        ngx_mail_proxy_close_session(s);
        return;
    }

    if (c == s->connection) {
        pcf = ngx_mail_get_module_srv_conf(s, ngx_mail_proxy_module);
        ngx_add_timer(c->read, pcf->timeout);
    }
}
char * ngx_http_clojure_shared_map(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) {
	ngx_http_clojure_main_conf_t *mcf = conf;
	ngx_http_clojure_shared_map_ctx_t *ctx;
	ngx_int_t i;
	u_char *args;
	u_char *arg_start = NULL;
	u_char *arg_end = NULL;
	u_char *argv_start = NULL;
	u_char *argv_end = NULL;
	ngx_str_t tmpstr;
	ngx_str_t *value = cf->args->elts;

	if (!mcf->shared_maps) {
		ngx_http_clojure_shared_maps = mcf->shared_maps = ngx_array_create(cf->pool, 4, sizeof(ngx_http_clojure_shared_map_ctx_t));
		if (!mcf->shared_maps) {
			return NGX_CONF_ERROR;
		}
	}

	if ((ctx = ngx_array_push(mcf->shared_maps)) == NULL) {
		return NGX_CONF_ERROR;
	}

	if ((ctx->arguments = ngx_array_create(cf->pool, 4, sizeof(ngx_table_elt_t))) == NULL ) {
		return NGX_CONF_ERROR;
	}

	ctx->name = value[1];

	/* parse shared map arguments of implementation, e.g.
	 * hashmap?space=8M&entries=10k, redis?host=localhost&port=6379*/
	args = ngx_strstrn(value[2].data, "?", 1-1);
	if (!args || args + 3 > value[2].data + value[2].len) {
		ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid shared map arguments \"%V\"", &value[2]);
		return NGX_CONF_ERROR;
	}

	/*lookup an implementation by type name*/
	for (i = 0; (ctx->impl = &ngx_http_clojure_shared_map_registered_impls[i])->name != NULL; i++) {
		if (!ngx_strncmp(value[2].data, ctx->impl->name, args - value[2].data)) {
			break;
		}
	}

	if (!ctx->impl->name) {
		tmpstr.data = value[2].data;
		tmpstr.len = args - value[2].data;
		ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid shared map type, no implementation found \"%V\"", &tmpstr);
		return NGX_CONF_ERROR;
	}

	do {
		args++;
		if (argv_start) {
			if ( *args == '&' || args == value[2].data + value[2].len) {
				ngx_table_elt_t *argkv = ngx_array_push(ctx->arguments);
				argkv->key.data = arg_start;
				argkv->key.len = arg_end - arg_start;
				argv_end = args;
				argkv->value.data = argv_start;
				argkv->value.len = argv_end - argv_start;
				arg_start = argv_start = NULL;
			}
		}else {
			if (!arg_start) {
				arg_start = args;
			}
			if (*args == '=' || args == value[2].data + value[2].len) {
				arg_end = args;
				argv_start = args+1;
			}
		}
	}while(args < value[2].data + value[2].len);

	ctx->log = &cf->cycle->new_log;
	if ( ctx->impl->init(cf, ctx) != NGX_OK ) {
		ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "initialize shared map failed \"%V\"", &value[2]);
		return NGX_CONF_ERROR;
	}

	return NGX_CONF_OK;
}
ngx_int_t ngx_http_small_light_imagemagick_process(ngx_http_request_t *r, ngx_http_small_light_ctx_t *ctx)
{
    ngx_http_small_light_imagemagick_ctx_t *ictx;
    ngx_http_small_light_image_size_t       sz;
    MagickBooleanType                       status;
    int                                     rmprof_flg, progressive_flg, cmyk2rgb_flg;
    double                                  iw, ih, q;
    char                                   *unsharp, *sharpen, *blur, *of, *of_orig;
    MagickWand                             *trans_wand, *canvas_wand;
    DrawingWand                            *border_wand;
    PixelWand                              *bg_color, *canvas_color, *border_color;
    GeometryInfo                            geo;
    ngx_fd_t                                fd;
    MagickWand                             *icon_wand;
    u_char                                 *p, *embedicon;
    size_t                                  embedicon_path_len, embedicon_len, sled_image_size;
    ngx_int_t                               type;
    u_char                                  jpeg_size_opt[32], crop_geo[128], size_geo[128], embedicon_path[256];
    ColorspaceType                          color_space;
#if MagickLibVersion >= 0x690
    int                                     autoorient_flg;
#endif

    status = MagickFalse;

    ictx = (ngx_http_small_light_imagemagick_ctx_t *)ctx->ictx;

    /* adjust image size */
    ngx_http_small_light_calc_image_size(r, ctx, &sz, 10000.0, 10000.0);

    /* prepare */
    if (sz.jpeghint_flg != 0) {
        p = ngx_snprintf((u_char *)jpeg_size_opt, sizeof(jpeg_size_opt) - 1, "%dx%d", (ngx_int_t)sz.dw, (ngx_int_t)sz.dh);
        *p = '\0';
        ngx_log_error(NGX_LOG_DEBUG, r->connection->log, 0, "jpeg_size_opt:%s", jpeg_size_opt);
        MagickSetOption(ictx->wand, "jpeg:size", (char *)jpeg_size_opt);
    }

    /* load image. */
    status = MagickReadImageBlob(ictx->wand, (void *)ictx->image, ictx->image_len);
    if (status == MagickFalse) {
        ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                      "couldn't read image %s:%d",
                      __FUNCTION__,
                      __LINE__);
        return NGX_ERROR;
    }

    MagickSetFirstIterator(ictx->wand);

    color_space = MagickGetImageColorspace(ictx->wand);

    /* remove all profiles */
    rmprof_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "rmprof"));
    if (rmprof_flg != 0) {
        status = MagickProfileImage(ictx->wand, "*", NULL, 0);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "couldn't profiling image %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    of_orig = MagickGetImageFormat(ictx->wand);
    status = MagickTrue;

#if MagickLibVersion >= 0x690
    /* auto-orient */
    autoorient_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "autoorient"));
    if (autoorient_flg != 0) {
        status = MagickAutoOrientImage(ictx->wand);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyString(of_orig);
            return NGX_ERROR;
        }
    }
#endif

    /* rotate. */
    if (sz.angle) {
        bg_color = NewPixelWand();
        PixelSetRed(bg_color,   sz.cc.r / 255.0);
        PixelSetGreen(bg_color, sz.cc.g / 255.0);
        PixelSetBlue(bg_color,  sz.cc.b / 255.0);
        PixelSetAlpha(bg_color, sz.cc.a / 255.0);

        switch (sz.angle) {
        case 90:
        case 180:
        case 270:
            MagickRotateImage(ictx->wand, bg_color, sz.angle);
            break;
        default:
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "image not rotated. 'angle'(%ui) must be 90 or 180 or 270. %s:%d",
                          sz.angle,
                          __FUNCTION__,
                          __LINE__);
            break;
        }

        DestroyPixelWand(bg_color);
    }

    /* calc size. */
    iw = (double)MagickGetImageWidth(ictx->wand);
    ih = (double)MagickGetImageHeight(ictx->wand);
    ngx_http_small_light_calc_image_size(r, ctx, &sz, iw, ih);

    /* pass through. */
    if (sz.pt_flg != 0) {
        ctx->of = ctx->inf;
        DestroyString(of_orig);
        return NGX_OK;
    }

    /* crop, scale. */
    if (sz.scale_flg != 0) {
        p = ngx_snprintf(crop_geo, sizeof(crop_geo) - 1, "%f!x%f!+%f+%f", sz.sw, sz.sh, sz.sx, sz.sy);
        *p = '\0';
        p = ngx_snprintf(size_geo, sizeof(size_geo) - 1, "%f!x%f!",       sz.dw, sz.dh);
        *p = '\0';
        ngx_log_error(NGX_LOG_DEBUG, r->connection->log, 0, "crop_geo:%s", crop_geo);
        ngx_log_error(NGX_LOG_DEBUG, r->connection->log, 0, "size_geo:%s", size_geo);
        MagickResetImagePage(ictx->wand, "+0+0");
        trans_wand = MagickTransformImage(ictx->wand, (char *)crop_geo, (char *)size_geo);
        if (trans_wand == NULL || trans_wand == ictx->wand) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyString(of_orig);
            return NGX_ERROR;
        }
        DestroyMagickWand(ictx->wand);
        ictx->wand = trans_wand;
    }

    /* create canvas then draw image to the canvas. */
    if (sz.cw > 0.0 && sz.ch > 0.0) {
        canvas_wand  = NewMagickWand();
        canvas_color = NewPixelWand();
        PixelSetRed(canvas_color,   sz.cc.r / 255.0);
        PixelSetGreen(canvas_color, sz.cc.g / 255.0);
        PixelSetBlue(canvas_color,  sz.cc.b / 255.0);
        PixelSetAlpha(canvas_color, sz.cc.a / 255.0);
        status = MagickNewImage(canvas_wand, sz.cw, sz.ch, canvas_color);
        DestroyPixelWand(canvas_color);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyMagickWand(canvas_wand);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        status = MagickTransformImageColorspace(canvas_wand, color_space);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyMagickWand(canvas_wand);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        status = MagickCompositeImage(canvas_wand, ictx->wand, AtopCompositeOp, sz.dx, sz.dy);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyMagickWand(canvas_wand);
            DestroyString(of_orig);
            return NGX_ERROR;
        }
        DestroyMagickWand(ictx->wand);
        ictx->wand = canvas_wand;
    }

    /* CMYK to sRGB */
    cmyk2rgb_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "cmyk2rgb"));
    if (cmyk2rgb_flg != 0 && color_space == CMYKColorspace) {
        status = MagickTransformImageColorspace(ictx->wand, sRGBColorspace);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            DestroyString(of_orig);
            return NGX_ERROR;
        }
    }

    /* effects. */
    unsharp = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "unsharp");
    if (ngx_strlen(unsharp) > 0) {
        ParseGeometry(unsharp, &geo);
        if (geo.rho > ctx->radius_max || geo.sigma > ctx->sigma_max) {
            ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                          "As unsharp geometry is too large, ignored. %s:%d",
                          __FUNCTION__,
                          __LINE__);
        } else {
            status = MagickUnsharpMaskImage(ictx->wand, geo.rho, geo.sigma, geo.xi, geo.psi);
            if (status == MagickFalse) {
                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                              "unsharp failed %s:%d",
                              __FUNCTION__,
                              __LINE__);
            }
        }
    }

    sharpen = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "sharpen");
    if (ngx_strlen(sharpen) > 0) {
        ParseGeometry(sharpen, &geo);
        if (geo.rho > ctx->radius_max || geo.sigma > ctx->sigma_max) {
            ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                          "As sharpen geometry is too large, ignored. %s:%d",
                          __FUNCTION__,
                          __LINE__);
        } else {
            status = MagickSharpenImage(ictx->wand, geo.rho, geo.sigma);
            if (status == MagickFalse) {
                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                              "sharpen failed %s:%d",
                              __FUNCTION__,
                              __LINE__);
            }
        }
    }

    blur = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "blur");
    if (ngx_strlen(blur) > 0) {
        ParseGeometry(blur, &geo);
        if (geo.rho > ctx->radius_max || geo.sigma > ctx->sigma_max) {
            ngx_log_error(NGX_LOG_WARN, r->connection->log, 0,
                          "As blur geometry is too large, ignored. %s:%d",
                          __FUNCTION__,
                          __LINE__);
        } else {
            status = MagickBlurImage(ictx->wand, geo.rho, geo.sigma);
            if (status == MagickFalse) {
                ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                              "blur failed %s:%d",
                              __FUNCTION__,
                              __LINE__);
            }
        }
    }

    /* border. */
    if (sz.bw > 0.0 || sz.bh > 0.0) {
        border_wand = NewDrawingWand();
        border_color = NewPixelWand();
        PixelSetRed(border_color,   sz.bc.r / 255.0);
        PixelSetGreen(border_color, sz.bc.g / 255.0);
        PixelSetBlue(border_color,  sz.bc.b / 255.0);
        PixelSetAlpha(border_color, sz.bc.a / 255.0);
        DrawSetFillColor(border_wand, border_color);
        DrawSetStrokeColor(border_wand, border_color);
        DrawSetStrokeWidth(border_wand, 1);

        if (sz.cw > 0.0 && sz.ch > 0.0) {
            DrawRectangle(border_wand, 0, 0, sz.cw - 1, sz.bh - 1);
            DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.ch - 1);
            DrawRectangle(border_wand, 0, sz.ch - sz.bh, sz.cw - 1, sz.ch - 1);
            DrawRectangle(border_wand, sz.cw - sz.bw, 0, sz.cw - 1, sz.ch - 1);
        } else {
            DrawRectangle(border_wand, 0, 0, sz.dw - 1, sz.bh - 1);
            DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.dh - 1);
            DrawRectangle(border_wand, 0, sz.dh - sz.bh, sz.dw - 1, sz.dh - 1);
            DrawRectangle(border_wand, sz.dw - sz.bw, 0, sz.dw - 1, sz.dh - 1);
        }
        MagickDrawImage(ictx->wand, border_wand);
        DestroyPixelWand(border_color);
        DestroyDrawingWand(border_wand);
    }

    /* embed icon */
    embedicon = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "embedicon");
    if (ctx->material_dir->len > 0 && ngx_strlen(embedicon) > 0) {
        if (ngx_strstrn((u_char *)embedicon, "/", 1 - 1)) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "invalid parameter 'embedicon':%s %s:%d",
                          embedicon,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        embedicon_len      = ngx_strlen(embedicon);
        embedicon_path_len = ctx->material_dir->len + ngx_strlen("/") + embedicon_len;
        if (embedicon_path_len > sizeof(embedicon_path) - 1) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "embedicon path is too long. maximun value is %z %s:%d",
                          sizeof(embedicon_path) - 1,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        p = embedicon_path;
        p = ngx_cpystrn(p, ctx->material_dir->data, ctx->material_dir->len + 1);
        p = ngx_cpystrn(p, (u_char *)"/", 1 + 1);
        p = ngx_cpystrn(p, embedicon, embedicon_len + 1);

        if ((fd = ngx_open_file(embedicon_path, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0)) == NGX_INVALID_FILE) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to open embeddedicon file:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        if (ngx_close_file(fd) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to close:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        if (ngx_strstrn(embedicon_path, "..", 2 - 1)) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "invalid embeddedicon_path:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        icon_wand = NewMagickWand();
        if (MagickReadImage(icon_wand, (char *)embedicon_path) == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to read embed icon image file:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            DestroyMagickWand(icon_wand);
            DestroyString(of_orig);
            return NGX_ERROR;
        }

        MagickCompositeImageChannel(ictx->wand, AllChannels, icon_wand, OverCompositeOp, sz.ix, sz.iy);
        DestroyMagickWand(icon_wand);
    }

    /* set params. */
    q = ngx_http_small_light_parse_double(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "q"));
    if (q > 0.0) {
        MagickSetImageCompressionQuality(ictx->wand, q);
    }

    progressive_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "progressive"));
    if (progressive_flg != 0) {
        MagickSetInterlaceScheme(ictx->wand, LineInterlace);
    }

    of = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "of");
    if (ngx_strlen(of) > 0) {
        type = ngx_http_small_light_type(of);
        if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_NONE) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "of is invalid(%s) %s:%d",
                          of,
                          __FUNCTION__,
                          __LINE__);
            of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
        } else if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_WEBP) {
#if defined(MAGICKCORE_WEBP_DELEGATE)
            ictx->type = type;
#else
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "WebP is not supported %s:%d",
                          __FUNCTION__,
                          __LINE__);
            of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
#endif
        } else {
            ictx->type = type;
        }
        MagickSetFormat(ictx->wand, of);
        ctx->of = ngx_http_small_light_image_types[ictx->type - 1];
    } else {
        MagickSetFormat(ictx->wand, of_orig);
        ctx->of = ctx->inf;
    }

    DestroyString(of_orig);

    ctx->content        = MagickGetImageBlob(ictx->wand, &sled_image_size);
    ctx->content_length = sled_image_size;

    ngx_pfree(r->pool, ctx->content_orig);

    ictx->complete = 1;

    return NGX_OK;
}
static ngx_int_t
ngx_http_brotli_header_filter(ngx_http_request_t *r)
{
    ngx_table_elt_t         *h, *ae;
    ngx_http_brotli_ctx_t   *ctx;
    ngx_http_brotli_conf_t  *conf;

    ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http brotli header filter");

    conf = ngx_http_get_module_loc_conf(r, ngx_http_brotli_filter_module);

    if (!conf->enable
        || (r->headers_out.status != NGX_HTTP_OK
            && r->headers_out.status != NGX_HTTP_FORBIDDEN
            && r->headers_out.status != NGX_HTTP_NOT_FOUND)
        || (r->headers_out.content_encoding
            && r->headers_out.content_encoding->value.len)
        || (r->headers_out.content_length_n != -1
            && r->headers_out.content_length_n < conf->min_length)
        || ngx_http_test_content_type(r, &conf->types) == NULL
        || r->header_only)
    {
        return ngx_http_next_header_filter(r);
    }

    /* Check that brotli is supported. We do not check possible q value
     * if brotli is supported it takes precendence over gzip if size >
     * brotli_min_length */
    ae = r->headers_in.accept_encoding;
    if(!ae) {
        return ngx_http_next_header_filter(r);
    }
    /* Since there is no reason for the br string to be present
     * unless brotli is accepted either as "br" or "brotli" we
     * just check for "br" */
    if (!ngx_strstrn(ae->value.data, "br", 1)) {
        return ngx_http_next_header_filter(r);
    }

    ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_brotli_ctx_t));
    if (ctx == NULL) {
        return NGX_ERROR;
    }

    if (ngx_strstrn(ae->value.data, "brotli", 5)) {
        ctx->br = 0;
    } else {
        ctx->br = 1;
    }
#if (NGX_HTTP_GZIP)
    r->gzip_vary = 1;
    /* Make sure gzip does not execute */
    r->gzip_tested = 1;
    r->gzip_ok = 0;
#endif

    ngx_http_set_ctx(r, ctx, ngx_http_brotli_filter_module);

    ctx->request = r;

    h = ngx_list_push(&r->headers_out.headers);
    if (h == NULL) {
        return NGX_ERROR;
    }

    h->hash = 1;
    ngx_str_set(&h->key, "Content-Encoding");
    if (ctx->br) {
        ngx_str_set(&h->value, "br");
    } else {
        ngx_str_set(&h->value, "brotli");
    }
    r->headers_out.content_encoding = h;

    r->main_filter_need_in_memory = 1;

    ngx_http_clear_content_length(r);
    ngx_http_clear_accept_ranges(r);
    ngx_http_weak_etag(r);

    return ngx_http_next_header_filter(r);
}
ngx_int_t ngx_http_small_light_imagemagick_process(ngx_http_request_t *r, ngx_http_small_light_ctx_t *ctx)
{
    ngx_http_small_light_imagemagick_ctx_t *ictx;
    ngx_http_small_light_image_size_t       sz;
    MagickBooleanType                       status;
    int                                     rmprof_flg, progressive_flg;
    double                                  iw, ih, q;
    char                                   *jpeg_size_opt, *of_orig, *crop_geo, *size_geo;
    char                                   *unsharp, *sharpen, *blur, *dealpha, *of;
    MagickWand                             *trans_wand, *canvas_wand;
    DrawingWand                            *border_wand;
    PixelWand                              *bg_color, *canvas_color, *border_color;
    GeometryInfo                            geo;
    ngx_fd_t                                fd;
    MagickWand                             *icon_wand;
    u_char                                 *p, *embedicon, *embedicon_path;
    size_t                                  embedicon_path_len, embedicon_len, sled_image_size;
    ngx_int_t                               type;

    status = MagickFalse;

    ictx = (ngx_http_small_light_imagemagick_ctx_t *)ctx->ictx;

    /* adjust image size */
    ngx_http_small_light_calc_image_size(r, ctx, &sz, 10000.0, 10000.0);

    /* init */
    ictx->wand = NewMagickWand();

    /* prepare */
    if (sz.jpeghint_flg != 0) {
        jpeg_size_opt = ngx_pcalloc(r->pool, 32 + 1);
        if (jpeg_size_opt == NULL) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to allocate memory from r->pool %s:%d",
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }
        ngx_snprintf((u_char *)jpeg_size_opt, 32 + 1, "%dx%d", (ngx_int_t)sz.dw, (ngx_int_t)sz.dh);
        MagickSetOption(ictx->wand, "jpeg:size", jpeg_size_opt);
    }

    /* load image. */
    status = MagickReadImageBlob(ictx->wand, (void *)ictx->image, ictx->image_len);
    if (status == MagickFalse) {
        ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                      "couldn't read image %s:%d",
                      __FUNCTION__,
                      __LINE__);
        return NGX_ERROR;
    }

    /* remove all profiles */
    rmprof_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "rmprof"));
    if (rmprof_flg != 0) {
        status = MagickProfileImage(ictx->wand, "*", NULL, 0);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "couldn't profiling image %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    /* calc size. */
    iw = (double)MagickGetImageWidth(ictx->wand);
    ih = (double)MagickGetImageHeight(ictx->wand);
    ngx_http_small_light_calc_image_size(r, ctx, &sz, iw, ih);

    /* pass through. */
    if (sz.pt_flg != 0) {
        return NGX_OK;
    }

    of_orig = MagickGetImageFormat(ictx->wand);

    /* crop, scale. */
    status = MagickTrue;
    if (sz.scale_flg != 0) {
        crop_geo = ngx_pcalloc(r->pool, 128 + 1);
        if (crop_geo == NULL) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to allocate memory from r->pool %s:%d",
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }
        size_geo = ngx_pcalloc(r->pool, 128 + 1);
        if (size_geo == NULL) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to allocate memory from r->pool %s:%d",
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }
        ngx_snprintf((u_char *)crop_geo, 128 + 1, "%f!x%f!+%f+%f", sz.sw, sz.sh, sz.sx, sz.sy);
        ngx_snprintf((u_char *)size_geo, 128 + 1, "%f!x%f!",       sz.dw, sz.dh);
        trans_wand = MagickTransformImage(ictx->wand, crop_geo, size_geo);
        if (trans_wand == NULL || trans_wand == ictx->wand) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            return NGX_ERROR;
        }
        DestroyMagickWand(ictx->wand);
        ictx->wand = trans_wand;
    }

    /* rotate */
    if (sz.angle) {
        bg_color = NewPixelWand();
        PixelSetRed(bg_color,   sz.cc.r / 255.0);
        PixelSetGreen(bg_color, sz.cc.g / 255.0);
        PixelSetBlue(bg_color,  sz.cc.b / 255.0);
        PixelSetAlpha(bg_color, sz.cc.a / 255.0);

        switch (sz.angle) {
        case 90:
        case 180:
        case 270:
            MagickRotateImage(ictx->wand, bg_color, sz.angle);
            break;
        }

        DestroyPixelWand(bg_color);
    }

    /* create canvas then draw image to the canvas. */
    if (sz.cw > 0.0 && sz.ch > 0.0) {
        canvas_wand  = NewMagickWand();
        canvas_color = NewPixelWand();
        PixelSetRed(canvas_color,   sz.cc.r / 255.0);
        PixelSetGreen(canvas_color, sz.cc.g / 255.0);
        PixelSetBlue(canvas_color,  sz.cc.b / 255.0);
        PixelSetAlpha(canvas_color, sz.cc.a / 255.0);
        status = MagickNewImage(canvas_wand, sz.cw, sz.ch, canvas_color);
        DestroyPixelWand(canvas_color);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            return NGX_ERROR;
        }
        status = MagickCompositeImage(canvas_wand, ictx->wand, AtopCompositeOp, sz.dx, sz.dy);
        if (status == MagickFalse) {
            r->err_status = NGX_HTTP_INTERNAL_SERVER_ERROR;
            return NGX_ERROR;
        }
        DestroyMagickWand(ictx->wand);
        ictx->wand = canvas_wand;
    }

    /* effects. */
    unsharp = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "unsharp");
    if (unsharp != NULL) {
        ParseGeometry(unsharp, &geo);
        status = MagickUnsharpMaskImage(ictx->wand, geo.rho, geo.sigma, geo.xi, geo.psi);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "unsharp failed %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    sharpen = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "sharpen");
    if (sharpen != NULL) {
        ParseGeometry(sharpen, &geo);
        status = MagickSharpenImage(ictx->wand, geo.rho, geo.sigma);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "sharpen failed %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    blur = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "blur");
    if (blur) {
        ParseGeometry(blur, &geo);
        status = MagickBlurImage(ictx->wand, geo.rho, geo.sigma);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "blur failed %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }

    dealpha = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "dealpha");
    if (dealpha != NULL) {
        status = MagickSetImageAlphaChannel(ictx->wand, DeactivateAlphaChannel);
        if (status == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "dealpha failed %s:%d",
                          __FUNCTION__,
                          __LINE__);
        }
    }


    /* border. */
    if (sz.bw > 0.0 || sz.bh > 0.0) {
        border_wand = NewDrawingWand();
        border_color = NewPixelWand();
        PixelSetRed(border_color,   sz.bc.r / 255.0);
        PixelSetGreen(border_color, sz.bc.g / 255.0);
        PixelSetBlue(border_color,  sz.bc.b / 255.0);
        PixelSetAlpha(border_color, sz.bc.a / 255.0);
        DrawSetFillColor(border_wand, border_color);
        DrawSetStrokeColor(border_wand, border_color);
        DrawSetStrokeWidth(border_wand, 1);

        if (sz.cw > 0.0 && sz.ch > 0.0) {
            DrawRectangle(border_wand, 0, 0, sz.cw - 1, sz.bh - 1);
            DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.ch - 1);
            DrawRectangle(border_wand, 0, sz.ch - sz.bh, sz.cw - 1, sz.ch - 1);
            DrawRectangle(border_wand, sz.cw - sz.bw, 0, sz.cw - 1, sz.ch - 1);
        } else {
            DrawRectangle(border_wand, 0, 0, sz.dw - 1, sz.bh - 1);
            DrawRectangle(border_wand, 0, 0, sz.bw - 1, sz.dh - 1);
            DrawRectangle(border_wand, 0, sz.dh - sz.bh, sz.dw - 1, sz.dh - 1);
            DrawRectangle(border_wand, sz.dw - sz.bw, 0, sz.dw - 1, sz.dh - 1);
        }
        MagickDrawImage(ictx->wand, border_wand);
        DestroyPixelWand(border_color);
        DestroyDrawingWand(border_wand);
    }

    /* embed icon */
    embedicon = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "embedicon");
    if (ngx_strlen(ctx->material_dir) > 0 && ngx_strlen(embedicon) > 0) {
        if (ngx_strstrn((u_char *)embedicon, "/", 1 - 1)) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "invalid parameter 'embedicon':%s %s:%d",
                          embedicon,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        icon_wand = NewMagickWand();

        embedicon_len      = ngx_strlen(embedicon);
        embedicon_path_len = ctx->material_dir->len + ngx_strlen("/") + embedicon_len;
        embedicon_path     = ngx_palloc(r->pool, embedicon_path_len + 1);
        if (embedicon_path == NULL) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to allocate memory from r->pool %s:%d",
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        p = embedicon_path;
        p = ngx_cpystrn(p, ctx->material_dir->data, ctx->material_dir->len + 1);
        p = ngx_cpystrn(p, (u_char *)"/", 1 + 1);
        p = ngx_cpystrn(p, embedicon, embedicon_len + 1);

        if ((fd = ngx_open_file(embedicon_path, NGX_FILE_RDONLY, NGX_FILE_OPEN, 0)) == NGX_INVALID_FILE) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to open embeddedicon file:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        if (ngx_close_file(fd) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to close:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        if (ngx_strstrn(embedicon_path, "..", 2 - 1)) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "invalid embeddedicon_path:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        if (MagickReadImage(icon_wand, (char *)embedicon_path) == MagickFalse) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "failed to read embed icon image file:%s %s:%d",
                          embedicon_path,
                          __FUNCTION__,
                          __LINE__);
            return NGX_ERROR;
        }

        MagickCompositeImageChannel(ictx->wand, AllChannels, icon_wand, OverCompositeOp, sz.ix, sz.iy);
        ClearMagickWand(icon_wand);
    }

    /* set params. */
    q = ngx_http_small_light_parse_double(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "q"));
    if (q > 0.0) {
        MagickSetImageCompressionQuality(ictx->wand, q);
    }

    progressive_flg = ngx_http_small_light_parse_flag(NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "progressive"));
    if (progressive_flg != 0) {
        MagickSetInterlaceScheme(ictx->wand, LineInterlace);
    }

    of = NGX_HTTP_SMALL_LIGHT_PARAM_GET_LIT(&ctx->hash, "of");
    if (ngx_strlen(of) > 0) {
        type = ngx_http_small_light_type(of);
        if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_NONE) {
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "of is invalid(%s) %s:%d",
                          of,
                          __FUNCTION__,
                          __LINE__);
            of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
        } else if (type == NGX_HTTP_SMALL_LIGHT_IMAGE_WEBP) {
#if defined(MAGICKCORE_WEBP_DELEGATE)
            ictx->type = type;
#else
            ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
                          "WebP is not supported %s:%d",
                          __FUNCTION__,
                          __LINE__);
            of = (char *)ngx_http_small_light_image_exts[ictx->type - 1];
#endif
        } else {
            ictx->type = type;
        }
        MagickSetFormat(ictx->wand, of);
        ctx->of = ngx_http_small_light_image_types[ictx->type - 1];
    } else {
        MagickSetFormat(ictx->wand, of_orig);
        ctx->of = ctx->inf;
    }

    ctx->content        = MagickGetImageBlob(ictx->wand, &sled_image_size);
    ctx->content_length = sled_image_size;

    ictx->complete = 1;

    return NGX_OK;
}