搭建:基于nginx的上传功能

搭建:基于nginx的上传功能

文章目录

一、准备

开发一个基于nginx的上传功能。

二、安装nginx

1.1 解压nginx和nginx插件

先解压nginx-1.18.0.tar.gz, 然后将nginx-upload-module-2.3.0.tar.gz解压到nginx-1.18.0目录下。

[root@VM-4-3-centos nginx-1.18.0]# ll
总用量 788
drwxr-xr-x 6 1001 1001   4096 8月  19 09:52 auto
-rw-r--r-- 1 1001 1001 302863 4月  21 2020 CHANGES
-rw-r--r-- 1 1001 1001 462213 4月  21 2020 CHANGES.ru
drwxr-xr-x 2 1001 1001   4096 8月  19 09:52 conf
-rwxr-xr-x 1 1001 1001   2502 4月  21 2020 configure
drwxr-xr-x 4 1001 1001   4096 8月  19 09:52 contrib
drwxr-xr-x 2 1001 1001   4096 8月  19 09:52 html
-rw-r--r-- 1 1001 1001   1397 4月  21 2020 LICENSE
drwxr-xr-x 2 1001 1001   4096 8月  19 09:52 man
drwxrwxr-x 3 root root   4096 8月   2 2018 nginx-upload-module-2.3.0
-rw-r--r-- 1 1001 1001     49 4月  21 2020 README
drwxr-xr-x 9 1001 1001   4096 8月  19 09:52 src
[root@VM-4-3-centos nginx-1.18.0]#

1.2 编译并安装nginx

shell 复制代码
yum -y install make zlib zlib-devel gcc-c++ libtool  openssl openssl-devel

安装PCRE,让nginx支持Rewrite功能:

shell 复制代码
[root@VM-4-3-centos servers]# cd pcre-8.35/
[root@VM-4-3-centos pcre-8.35]# ./configure
[root@VM-4-3-centos pcre-8.35]# make && make install
......
[root@VM-4-3-centos pcre-8.35]# pcre-config --version
8.35
[root@VM-4-3-centos pcre-8.35]#

编译并安装nginx

mkdir /usr/local/nginx

shell 复制代码
./configure --prefix=/usr/local/nginx --with-http_ssl_module --with-http_stub_status_module --add-module=./nginx-upload-module-2.3.0 --with-pcre=/data/dev/servers/pcre-8.35

make && make install

三、启动一个python后台服务,用于上传到临时路径文件,转移到正式路径

python 复制代码
#! python3
# -*- coding: UTF-8 -*-
###########################
#
# description: nginx上传文件,将临时路径的文件拷贝到正式路径
# author: LiFei  
# mail: hefrankeleyn@gmail.com
# date: 2023-08-19
#  pip install Flask
#
###########################

import logging,os,datetime, shutil, json,socket
from flask import Flask,request,abort,make_response
logging.basicConfig(level=logging.INFO, format="%(asctime)s- %(name)s %(levelname)s- %(message)s")
# 创建一个应用
app = Flask(__name__)
base_dir="/data/dev/nginxUploadFiles"

# 创建目录,如果目录不存在
def createDirIfNotExists(dirPath):
    if not dirPath:
        return
    if not (os.path.exists(dirPath) and os.path.isdir(dirPath)):
        os.makedirs(dirPath)

# 创建子路径
def createSubDir(params):
    sub_file_dir = ""
    if "busType" in params:
        busType = str(params["busType"]).replace(' ', '')
    if busType:
        sub_file_dir = os.path.join(sub_file_dir, busType)
    one_day = datetime.datetime.now().strftime('%Y%m%d')
    sub_file_dir = os.path.join(sub_file_dir, one_day)
    createDirIfNotExists(os.path.join(base_dir, sub_file_dir))
    return sub_file_dir


# 将临时文件拷贝到正式文件目录
def exeUpload(params):
    if not params:
        abort(400)
    bus_file_name = params["file.name"]
    file_type = params["file.content_type"]
    tmp_file_path = params["file.path"]
    file_md5 = params["file.md5"]
    file_size = params["file.size"]
    real_filename = file_md5 + (bus_file_name[bus_file_name.rfind("."):] if bus_file_name.rfind(".")!=-1 else "")
    subDirPath = createSubDir(params)
    target_file_path = os.path.join(base_dir, subDirPath, real_filename)
    # 将临时路径文件拷贝到正式路径
    shutil.copyfile(tmp_file_path, target_file_path)
    # 这个路径,可以访问正式目录下的文件
    base_url = "http://%s:8088/" % (socket.gethostbyname(socket.gethostname()))
    # 返回结果
    json_data = json.dumps({
        "file_name": bus_file_name,
        "content_type": file_type,
        "file_md5": file_md5,
        "file_size": file_size,
        "file_path": target_file_path,
        "base_url": base_url,
        "sub_file_path": os.path.join(subDirPath, real_filename)
    })
    response = make_response(json_data)
    headers = {
        "content-type": "application/json; charset=utf-8"
    }
    response.headers = headers
    return response

@app.route("/upload", methods=["POST", 'GET'])
def nginxUpload():
    if request.method == "POST":
        try:
            params = request.form.to_dict()
            response = exeUpload(params)
            return response
        except Exception as e:
            err_str = str(e)
            response = make_response(err_str, 500)
            headers = {
                "content-type": "text/plain; charset=utf-8"
            }
            response.headers = headers
            return response
    else:
        response = make_response("<p>错误的请求类型</p>", 500)
        headers = {
            "content-type": "text/plain; charset=utf-8"
        }
        response.headers = headers
        return response

if __name__ =="__main__":
    app.run(host="0.0.0.0", port=2230)

启动服务:

nohup python3 nginxUploadPassServer.py 1>nohup.out 2>&1 &

四、添加nginx配置

nginx.conf

shell 复制代码
user root;
worker_processes  1;

events {
    worker_connections  1024;
}

http {
    include       mime.types;
    default_type  application/octet-stream;

    sendfile        on;

    keepalive_timeout  65;

    include /usr/local/nginx/conf/conf.d/*.conf;
}

conf.d/nginx_80.conf

    server {
        listen       80;
        server_name  localhost;
        location / {
            root   html;
            index  index.html index.htm;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }
    }

(1)配置一个静态文件服务

conf.d/nginx_80.conf

    server {
        listen       8088;
        server_name  localhost;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;

        location / {
            alias  /data/dev/nginxUploadFiles/;
            autoindex on;
            #root   html;
            #index  index.html index.htm;
        }

   }

(2)配置上传文件服务

conf.d/nginxUplaod.conf

shell 复制代码
server {
   listen 5312;
   client_max_body_size 100m;
   
   location /upload {
       # 转到后端处理的URL,表示Nginx接受完上传的文件后,然后交给后端处理的地址
       upload_pass @fileserver_backend;
       # 上传模块接收到文件,临时存放的路径,1 表示方法,该方法需要在/tmp/nginx_upload 下创建以0 到 9位目录,上传的时候会进行一散列处理。 mkdir -p /tmp/nginx_upload/{0,1,2,3,4,5,6,7,8,9}; chmod 777 -R /tmp/nginx_upload
       upload_store /tmp/nginx_upload 1;
       # 上传文件的权限,rw表示读写,r只读
       upload_store_access user:rw group:rw all:rw;
       set $upload_field_name "file";
       # http 报头, pass 到后台页面后能获取set到报头字段
       upload_set_form_field $upload_field_name.name "$upload_file_name";
       upload_set_form_field $upload_field_name.content_type "$upload_content_type";
       upload_set_form_field $upload_field_name.path "$upload_tmp_path";
       # upload 模块自动生成一些信息,如文件大小,文件的md值
       upload_aggregate_form_field "$upload_field_name.md5" "$upload_file_md5";
       upload_aggregate_form_field "$upload_field_name.size" "$upload_file_size";
       # 允许的字段
       upload_pass_form_field "^.*$";
       #upload_pass_form_field "^submit$|^description$";
       # 如果pass页面出现以下状态码,就删除本次上传的临时文件
       upload_cleanup 400 404 499 500-505;
       # 打开开关, 把前段脚本请求的参数传给后端的脚本语言
       upload_pass_args on;
   }
   
   location @fileserver_backend {
      proxy_pass http://localhost:2230;
   }
}

五、启动nginx和python服务

启动nginx

cd /usr/local/nginx

./sbin/nginx

nginx其它命令

shell 复制代码
./sbin/nginx -s reload
./sbin/nginx -s stop

启动python服务:

nohup python3 nginxUploadPassServer.py 1>nohup.out 2>&1 &

六、python程序测试上传

python 复制代码
#! python3
# -*- coding: UTF-8 -*-
###########################
#
# description: 执行上传
# author: LiFei  
# mail: hefrankeleyn@gmail.com
# date: 2023-08-19
#
###########################
import logging, os, requests
logging.basicConfig(level=logging.INFO, format="%(asctime)s- %(name)s %(levelname)s- %(message)s")


def uploadFile(upload_url, file_path, content_type):
    try:
        if not (os.path.exists(file_path) and os.path.isfile(file_path)):
            raise Exception("要上传的文件不存在:" + str(file_path))
        data = {
            "busType": "myPro"
        }
        fileName = os.path.split(file_path)[-1]
        files = {
            "file": (fileName, open(file_path, 'rb'), content_type)
        }
        response = requests.post(upload_url, files=files, data=data)
        return response
    except Exception as e:
        logging.error(e)
        raise e


if __name__=="__main__":
    upload_url = "http://myip:5312/upload"
    file_path = r"/Users/lifei/Documents/workspace/git_test_wp/myproject/wuyishan.jpg"
    content_type = "image/jpeg"
    response = uploadFile(upload_url, file_path, content_type)
    logging.info(response.json())

之后就可以访问到:

http://myip:8088/myPro/20230819/cad0d40e01e0930cad9030f8cc32f68b.jpg

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