yanue/nginx-lua-GraphicsMagick

img.xxx.com(如/var/www/img)
|-- img1
|   `-- 001
|       `-- 001.jpg
|-- img2
|   `-- notfound.jpg
|-- img3
|   `-- 001
|       `-- 001.jpg

thumb（如/tmp/thumb,可在conf文件里面更改）
    `-- img1
        `-- 001
            |-- 001_200x160.jpg 固定高和宽
            |-- 001_-100.jpg 定高
            |-- 001_200-.jpg 定宽

./configure --prefix=/usr/local/nginx \
--user=www \
--group=www \
--sbin-path=/usr/sbin/nginx \
--conf-path=/etc/nginx/nginx.conf \
--pid-path=/var/run/nginx.pid  \
--lock-path=/var/run/nginx.lock \
--error-log-path=/opt/logs/nginx/error.log \
--http-log-path=/opt/logs/nginx/access.log \
--with-http_ssl_module \
--with-http_realip_module \
--with-http_sub_module \
--with-http_flv_module \
--with-http_dav_module \
--with-http_gzip_static_module \
--with-http_stub_status_module \
--with-http_addition_module \
--with-http_spdy_module \
--with-pcre \
--with-zlib=../zlib-1.2.8 \
--add-module=../nginx-http-concat \
--add-module=../lua-nginx-module \
--add-module=../ngx_devel_kit \

server{
    listen  80
    
    # set var for thumb pic
    set $upload_path /opt/uploads;
    set $img_original_root  $upload_path;# original root;
    set $img_thumbnail_root $upload_path/cache/thumb;
    set $img_file $img_thumbnail_root$uri;

    # like：/xx/xx/xx.jpg_100-.jpg or /xx/xx/xx.jpg_-100.jpg
    location ~* ^(.+\.(jpg|jpeg|gif|png))_((\d+\-)|(\-\d+))\.(jpg|jpeg|gif|png)$ {
            root $img_thumbnail_root;    # root path for croped img
            set $img_size $3;

            if (!-f $img_file) {    # if file not exists
                    add_header X-Powered-By 'Nginx+Lua+GraphicsMagick By Yanue';  #  header for test
                    add_header file-path $request_filename;    #  header for test
                    set $request_filepath $img_original_root$1;    # origin_img full path：/document_root/1.gif
                    set $img_size $3;    # img width or height size depends on uri
                    set $img_ext $2;    # file ext
                    content_by_lua_file /etc/nginx/lua/autoSize.lua;    # load lua
            }
    }

    # like: /xx/xx/xx.jpg_100x100.jpg
    location ~* ^(.+\.(jpg|jpeg|gif|png))_(\d+)+x(\d+)+\.(jpg|jpeg|gif|png)$ {
            root $img_thumbnail_root;    # root path for croped img

            if (!-f $img_file) {    # if file not exists
                    add_header X-Powered-By 'Nginx+Lua+GraphicsMagick By Yanue';  #  header for test
                    add_header file-path $request_filename;    #  header for test
                    set $request_filepath $img_original_root$1;    # origin_img file path
                    set $img_width $3;    # img width
                    set $img_height $4;    # height
                    set $img_ext $5;    # file ext
                    content_by_lua_file /etc/nginx/lua/cropSize.lua;    # load lua
            }
    }
    
    location = /favicon.ico {
                log_not_found off;
                access_log off;
    }
}

server{
    listen      80;
    server_name xxx.com;
    
    set $img_thumbnail_root /opt/fastdfs/thumb; #set thumb path
    set $img_file $img_thumbnail_root$uri;   #thumb file

    # like：/pic/M00/xx/xx/xx.jpg_100-.jpg or /pic/M00/xx/xx/xx.jpg_-100.jpg
    location ~* ^(\/(\w+)(\/M00)(.+\.(jpg|jpeg|gif|png)))_((\d+\-)|(\-\d+))\.(jpg|jpeg|gif|png)$ {
            root $img_thumbnail_root;    # root path for croped img
            set $fdfs_group_root /opt/fastdfs/$2/store0/data; #set fastdfs group path $2

            if (!-f $img_file) {    # if thumb file not exists
                    add_header X-Powered-By 'Nginx+Lua+GraphicsMagick By Yanue';  #  header for test
                    add_header file-path $request_filename;    #  header for test
                    set $request_filepath $fdfs_group_root$4;    # origin_img full path：/document_root/1.gif
                    set $img_size $6;    # img width or height size depends on uri : img size like "-100" or "100-", "-" means auto size
                    set $img_ext $5;    # file ext
                    content_by_lua_file /etc/nginx/lua/autoSize.lua;    # load auto width or height crop Lua file
            }
    }

    # like：/pic/M00/xx/xx/xx.jpg_200x100.jpg
    location ~* ^(\/(\w+)(\/M00)(.+\.(jpg|jpeg|gif|png))_(\d+)+x(\d+)+\.(jpg|jpeg|gif|png))$ {
            root $img_thumbnail_root;    # root path for croped img
            set $fdfs_group_root /opt/fastdfs/$2/store0/data; #set fastdfs group path $2

            if (!-f $img_file) {   # if thumb file not exists
                    add_header X-Powered-By 'Nginx+Lua+GraphicsMagick By Yanue';  #  header for test
                    add_header file-path $request_filename;    #  header for test
                    set $request_filepath $fdfs_group_root$4;    # real file path
                    set $img_width $6;    #  img width
                    set $img_height $7;    #  img height
                    set $img_ext $5;     # file ext
                    content_by_lua_file /etc/nginx/lua/cropSize.lua;    # load crop Lua file
            }
    }

    location /pic/M00 {
            alias /opt/fastdfs/pic/store0/data;
            ngx_fastdfs_module;
    }

    location /chat/M00 {
            alias /opt/fastdfs/chat/store0/data;
            ngx_fastdfs_module;
    }

    location = /favicon.ico {
            log_not_found off;
            access_log off;
    }
}