733 lines
22 KiB
Python
733 lines
22 KiB
Python
from elasticsearch import Elasticsearch
|
||
# import os
|
||
# import json
|
||
import hashlib
|
||
import requests
|
||
|
||
# Elasticsearch连接配置
|
||
ES_URL = "http://localhost:9200"
|
||
AUTH = None # 如需认证则改为("用户名","密码")
|
||
|
||
# document=os.open('results/output.json', os.O_RDONLY)
|
||
|
||
# 创建Elasticsearch客户端实例，连接到本地Elasticsearch服务
|
||
es = Elasticsearch(["http://localhost:9200"])
|
||
|
||
# 定义索引名称和类型名称
|
||
data_index_name = "wordsearch266666"
|
||
users_index_name = "users"
|
||
|
||
def create_index_with_mapping():
|
||
"""修正后的索引映射配置"""
|
||
# 新增一个用户mapping
|
||
data_mapping = {
|
||
"mappings": {
|
||
"properties": {
|
||
"writer_id":{"type": "text"},
|
||
"data": {
|
||
"type": "text", # 存储转换后的字符串，支持分词搜索
|
||
"analyzer": "ik_max_word",
|
||
"search_analyzer": "ik_smart"
|
||
},
|
||
"image": {"type": "keyword"}, # 存储图片路径或标识
|
||
}
|
||
}
|
||
}
|
||
|
||
users_mapping = {
|
||
"mappings": {
|
||
"properties": {
|
||
"user_id":{"type":"long"}, #由系统分配的用户唯一id
|
||
"username":{"type":"keyword"}, #可修改的用户名
|
||
"password":{"type":"keyword"}, #密码
|
||
"premission":{"type":"integer"},#权限组分配（比方说0就是管理员，1是普通用户，以此类推）
|
||
}
|
||
}
|
||
}
|
||
|
||
# 检查数据索引是否存在，不存在则创建
|
||
if not es.indices.exists(index=data_index_name):
|
||
es.indices.create(index=data_index_name, body=data_mapping)
|
||
print(f"创建索引 {data_index_name} 并设置映射")
|
||
else:
|
||
print(f"索引 {data_index_name} 已存在")
|
||
|
||
# 检查用户索引是否存在，不存在则创建
|
||
if not es.indices.exists(index=users_index_name):
|
||
es.indices.create(index=users_index_name, body=users_mapping)
|
||
print(f"创建索引 {users_index_name} 并设置映射")
|
||
admin={"user_id":0000000000,"username": "admin", "password": "admin", "premission": 0}
|
||
write_user_data(admin)
|
||
else:
|
||
print(f"索引 {users_index_name} 已存在")
|
||
|
||
|
||
def get_doc_id(data):
|
||
"""
|
||
根据数据内容生成唯一ID（用于去重）
|
||
|
||
参数:
|
||
data (dict): 包含文档数据的字典
|
||
|
||
返回:
|
||
str: 基于数据内容生成的MD5哈希值作为唯一ID
|
||
"""
|
||
# 使用data字段的内容生成唯一字符串
|
||
data_str = data.get('data', '')
|
||
image_str = data.get('image', '')
|
||
unique_str = f"{data_str}{image_str}"
|
||
# 使用MD5哈希生成唯一ID
|
||
return hashlib.md5(unique_str.encode('utf-8')).hexdigest()
|
||
|
||
|
||
def insert_data(data):
|
||
"""
|
||
向Elasticsearch插入数据
|
||
|
||
参数:
|
||
data (dict): 要插入的数据
|
||
|
||
返回:
|
||
bool: 插入成功返回True，失败返回False
|
||
"""
|
||
# 生成文档唯一ID
|
||
return batch_write_data(data)
|
||
|
||
|
||
def search_data(query):
|
||
"""
|
||
在Elasticsearch中搜索数据
|
||
|
||
参数:
|
||
query (str): 搜索关键词
|
||
|
||
返回:
|
||
list: 包含搜索结果的列表，每个元素是一个文档的源数据
|
||
"""
|
||
# 执行多字段匹配搜索
|
||
result = es.search(index=data_index_name, body={"query": {"multi_match": {"query": query, "fields": ["*"]}}})
|
||
# 返回搜索结果的源数据部分
|
||
return [hit["_source"] for hit in result['hits']['hits']]
|
||
|
||
def search_all():
|
||
"""
|
||
获取所有文档
|
||
|
||
返回:
|
||
list: 包含所有文档的列表，每个元素包含文档ID和源数据
|
||
"""
|
||
# 执行匹配所有文档的查询
|
||
result = es.search(index=data_index_name, body={"query": {"match_all": {}}})
|
||
# 返回包含文档ID和源数据的列表
|
||
return [{
|
||
"_id": hit["_id"],
|
||
**hit["_source"]
|
||
} for hit in result['hits']['hits']]
|
||
|
||
def delete_by_id(doc_id):
|
||
"""
|
||
根据 doc_id 删除文档
|
||
|
||
参数:
|
||
doc_id (str): 要删除的文档ID
|
||
|
||
返回:
|
||
bool: 删除成功返回True，失败返回False
|
||
"""
|
||
try:
|
||
# 执行删除操作
|
||
es.delete(index=data_index_name, id=doc_id)
|
||
return True
|
||
except Exception as e:
|
||
print("删除失败:", str(e))
|
||
return False
|
||
|
||
def search_by_any_field(keyword):
|
||
"""全字段模糊搜索（支持拼写错误）"""
|
||
try:
|
||
# update_data_mapping()
|
||
response = requests.post(
|
||
f"{ES_URL}/{data_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": {
|
||
"multi_match": {
|
||
"query": keyword,
|
||
"fields": ["*"], # 匹配所有字段
|
||
"fuzziness": "AUTO", # 启用模糊匹配
|
||
}
|
||
}
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
print(f"\n模糊搜索 '{keyword}' 找到 {len(results)} 条结果:")
|
||
|
||
for doc in results:
|
||
print(f"\n文档ID: {doc['_id']}")
|
||
if '_source' in doc:
|
||
max_key_len = max(len(k) for k in doc['_source'].keys())
|
||
for key, value in doc['_source'].items():
|
||
# 提取高亮部分
|
||
highlight = doc.get('highlight', {}).get(key, [value])[0]
|
||
print(f"{key:>{max_key_len + 2}} : {highlight}")
|
||
else:
|
||
print("无_source数据")
|
||
|
||
return results
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"搜索失败: {e.response.text}")
|
||
return []
|
||
|
||
def batch_write_data(data):
|
||
"""批量写入获奖数据"""
|
||
try:
|
||
response = requests.post(
|
||
f"{ES_URL}/{data_index_name}/_doc",
|
||
json=data,
|
||
auth=AUTH,
|
||
headers={"Content-Type": "application/json"}
|
||
)
|
||
response.raise_for_status()
|
||
doc_id = response.json()["_id"]
|
||
print(f"文档写入成功，ID: {doc_id}, 内容: {data}")
|
||
return True
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"文档写入失败: {e.response.text}, 数据: {data}")
|
||
return False
|
||
|
||
def write_user_data(data):
|
||
"""写入用户数据"""
|
||
try:
|
||
response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_doc",
|
||
json=data,
|
||
auth=AUTH,
|
||
headers={"Content-Type": "application/json"}
|
||
)
|
||
response.raise_for_status()
|
||
doc_id = response.json()["_id"]
|
||
print(f"文档写入成功，ID: {doc_id}, 内容: {data}")
|
||
return True
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"文档写入失败: {e.response.text}, 数据: {data}")
|
||
return False
|
||
|
||
def verify_user(username, password):
|
||
"""
|
||
验证用户登录信息
|
||
|
||
参数:
|
||
username (str): 用户名
|
||
password (str): 密码
|
||
|
||
返回:
|
||
dict or None: 验证成功返回用户信息，失败返回None
|
||
"""
|
||
try:
|
||
# 搜索用户名匹配的用户
|
||
response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": {
|
||
"term": {
|
||
"username": username
|
||
}
|
||
}
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
|
||
if results:
|
||
user_data = results[0]["_source"]
|
||
# 验证密码
|
||
if user_data.get("password") == password:
|
||
print(f"用户 {username} 登录成功")
|
||
return user_data
|
||
else:
|
||
print(f"用户 {username} 密码错误")
|
||
return None
|
||
else:
|
||
print(f"用户 {username} 不存在")
|
||
return None
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"用户验证失败: {e.response.text}")
|
||
return None
|
||
|
||
def get_user_by_username(username):
|
||
"""
|
||
根据用户名查询用户信息
|
||
|
||
参数:
|
||
username (str): 用户名
|
||
|
||
返回:
|
||
dict or None: 查询成功返回用户信息，失败返回None
|
||
"""
|
||
try:
|
||
response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": {
|
||
"term": {
|
||
"username": username
|
||
}
|
||
}
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
|
||
if results:
|
||
return results[0]["_source"]
|
||
else:
|
||
return None
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"用户查询失败: {e.response.text}")
|
||
return None
|
||
|
||
def create_user(username, password, permission=1):
|
||
"""
|
||
创建新用户
|
||
|
||
参数:
|
||
username (str): 用户名
|
||
password (str): 密码
|
||
permission (int): 权限级别，默认为1（普通用户）
|
||
|
||
返回:
|
||
bool: 创建成功返回True，失败返回False
|
||
"""
|
||
# 检查用户名是否已存在
|
||
if get_user_by_username(username):
|
||
print(f"用户名 {username} 已存在")
|
||
return False
|
||
|
||
# 生成新的用户ID
|
||
import time
|
||
user_id = int(time.time() * 1000) # 使用时间戳作为用户ID
|
||
|
||
user_data = {
|
||
"user_id": user_id,
|
||
"username": username,
|
||
"password": password,
|
||
"premission": permission
|
||
}
|
||
|
||
return write_user_data(user_data)
|
||
|
||
def get_all_users():
|
||
"""
|
||
获取所有用户信息
|
||
|
||
返回:
|
||
list: 包含所有用户信息的列表
|
||
"""
|
||
try:
|
||
response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": {
|
||
"match_all": {}
|
||
},
|
||
"size": 1000 # 限制返回数量，可根据需要调整
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
|
||
users = []
|
||
for hit in results:
|
||
user_data = hit["_source"]
|
||
user_data["_id"] = hit["_id"] # 添加文档ID用于后续操作
|
||
users.append(user_data)
|
||
|
||
return users
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"获取用户列表失败: {e.response.text}")
|
||
return []
|
||
|
||
def update_user_password(username, new_password):
|
||
"""
|
||
更新用户密码
|
||
|
||
参数:
|
||
username (str): 用户名
|
||
new_password (str): 新密码
|
||
|
||
返回:
|
||
bool: 更新成功返回True，失败返回False
|
||
"""
|
||
try:
|
||
# 先查找用户
|
||
response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": {
|
||
"term": {
|
||
"username": username
|
||
}
|
||
}
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
|
||
if not results:
|
||
print(f"用户 {username} 不存在")
|
||
return False
|
||
|
||
# 获取用户文档ID
|
||
doc_id = results[0]["_id"]
|
||
user_data = results[0]["_source"]
|
||
|
||
# 更新密码
|
||
user_data["password"] = new_password
|
||
|
||
# 更新文档
|
||
update_response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_doc/{doc_id}",
|
||
auth=AUTH,
|
||
json=user_data,
|
||
headers={"Content-Type": "application/json"}
|
||
)
|
||
update_response.raise_for_status()
|
||
|
||
print(f"用户 {username} 密码更新成功")
|
||
return True
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"更新用户密码失败: {e.response.text}")
|
||
return False
|
||
|
||
def delete_user(username):
|
||
"""
|
||
删除用户
|
||
|
||
参数:
|
||
username (str): 要删除的用户名
|
||
|
||
返回:
|
||
bool: 删除成功返回True，失败返回False
|
||
"""
|
||
try:
|
||
# 防止删除管理员账户
|
||
if username == "admin":
|
||
print("不能删除管理员账户")
|
||
return False
|
||
|
||
# 先查找用户
|
||
response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": {
|
||
"term": {
|
||
"username": username
|
||
}
|
||
}
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
|
||
if not results:
|
||
print(f"用户 {username} 不存在")
|
||
return False
|
||
|
||
# 获取用户文档ID
|
||
doc_id = results[0]["_id"]
|
||
|
||
# 删除用户
|
||
delete_response = requests.delete(
|
||
f"{ES_URL}/{users_index_name}/_doc/{doc_id}",
|
||
auth=AUTH
|
||
)
|
||
delete_response.raise_for_status()
|
||
|
||
print(f"用户 {username} 删除成功")
|
||
return True
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"删除用户失败: {e.response.text}")
|
||
return False
|
||
|
||
def update_user_permission(username, new_permission):
|
||
"""
|
||
更新用户权限
|
||
|
||
参数:
|
||
username (str): 用户名
|
||
new_permission (int): 新权限级别
|
||
|
||
返回:
|
||
bool: 更新成功返回True，失败返回False
|
||
"""
|
||
try:
|
||
# 防止修改管理员权限
|
||
if username == "admin":
|
||
print("不能修改管理员权限")
|
||
return False
|
||
|
||
# 先查找用户
|
||
response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": {
|
||
"term": {
|
||
"username": username
|
||
}
|
||
}
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
|
||
if not results:
|
||
print(f"用户 {username} 不存在")
|
||
return False
|
||
|
||
# 获取用户文档ID
|
||
doc_id = results[0]["_id"]
|
||
user_data = results[0]["_source"]
|
||
|
||
# 更新权限
|
||
user_data["premission"] = new_permission
|
||
|
||
# 更新文档
|
||
update_response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_doc/{doc_id}",
|
||
auth=AUTH,
|
||
json=user_data,
|
||
headers={"Content-Type": "application/json"}
|
||
)
|
||
update_response.raise_for_status()
|
||
|
||
print(f"用户 {username} 权限更新成功")
|
||
return True
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"更新用户权限失败: {e.response.text}")
|
||
return False
|
||
|
||
def search_data_by_user(user_id, keyword=None):
|
||
"""
|
||
根据用户ID查询该用户的数据，支持关键词搜索
|
||
|
||
参数:
|
||
user_id (str): 用户ID
|
||
keyword (str, optional): 搜索关键词
|
||
|
||
返回:
|
||
list: 包含文档ID和源数据的列表
|
||
"""
|
||
try:
|
||
if keyword:
|
||
# 带关键词的搜索
|
||
query = {
|
||
"bool": {
|
||
"must": [
|
||
{"term": {"user_id": user_id}},
|
||
{
|
||
"multi_match": {
|
||
"query": keyword,
|
||
"fields": ["*"],
|
||
"fuzziness": "AUTO"
|
||
}
|
||
}
|
||
]
|
||
}
|
||
}
|
||
else:
|
||
# 只按用户ID搜索
|
||
query = {
|
||
"term": {"user_id": user_id}
|
||
}
|
||
|
||
response = requests.post(
|
||
f"{ES_URL}/{data_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": query,
|
||
"size": 1000 # 限制返回数量
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
|
||
# 返回包含文档ID和源数据的列表
|
||
return [{
|
||
"_id": hit["_id"],
|
||
**hit["_source"]
|
||
} for hit in results]
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"查询用户数据失败: {e.response.text}")
|
||
return []
|
||
|
||
def update_data_by_id(doc_id, updated_data, user_id):
|
||
"""
|
||
根据文档ID更新数据（仅允许数据所有者修改）
|
||
|
||
参数:
|
||
doc_id (str): 文档ID
|
||
updated_data (dict): 更新的数据
|
||
user_id (str): 当前用户ID
|
||
|
||
返回:
|
||
bool: 更新成功返回True，失败返回False
|
||
"""
|
||
try:
|
||
# 先查询文档，验证所有权
|
||
response = requests.get(
|
||
f"{ES_URL}/{data_index_name}/_doc/{doc_id}",
|
||
auth=AUTH
|
||
)
|
||
response.raise_for_status()
|
||
doc = response.json()
|
||
|
||
# 检查文档是否存在
|
||
if not doc.get("found"):
|
||
print(f"文档 {doc_id} 不存在")
|
||
return False
|
||
|
||
# 检查用户权限（只能修改自己的数据）
|
||
if doc["_source"].get("user_id") != user_id:
|
||
print(f"用户 {user_id} 无权修改文档 {doc_id}")
|
||
return False
|
||
|
||
# 保持用户ID不变
|
||
updated_data["user_id"] = user_id
|
||
|
||
# 更新文档
|
||
update_response = requests.post(
|
||
f"{ES_URL}/{data_index_name}/_doc/{doc_id}",
|
||
auth=AUTH,
|
||
json=updated_data,
|
||
headers={"Content-Type": "application/json"}
|
||
)
|
||
update_response.raise_for_status()
|
||
|
||
print(f"文档 {doc_id} 更新成功")
|
||
return True
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"更新文档失败: {e.response.text}")
|
||
return False
|
||
|
||
def delete_data_by_id(doc_id, user_id):
|
||
"""
|
||
根据文档ID删除数据（仅允许数据所有者或管理员删除）
|
||
|
||
参数:
|
||
doc_id (str): 文档ID
|
||
user_id (str): 当前用户ID
|
||
|
||
返回:
|
||
bool: 删除成功返回True，失败返回False
|
||
"""
|
||
try:
|
||
# 先查询文档，验证所有权
|
||
response = requests.get(
|
||
f"{ES_URL}/{data_index_name}/_doc/{doc_id}",
|
||
auth=AUTH
|
||
)
|
||
response.raise_for_status()
|
||
doc = response.json()
|
||
|
||
# 检查文档是否存在
|
||
if not doc.get("found"):
|
||
print(f"文档 {doc_id} 不存在")
|
||
return False
|
||
|
||
# 检查用户权限（只能删除自己的数据，管理员可以删除所有数据）
|
||
doc_user_id = doc["_source"].get("user_id")
|
||
if doc_user_id != user_id:
|
||
# 检查是否为管理员
|
||
user_info = get_user_by_username(user_id) # 这里需要用户名，稍后会修改
|
||
if not user_info or user_info.get("premission") != 0:
|
||
print(f"用户 {user_id} 无权删除文档 {doc_id}")
|
||
return False
|
||
|
||
# 删除文档
|
||
delete_response = requests.delete(
|
||
f"{ES_URL}/{data_index_name}/_doc/{doc_id}",
|
||
auth=AUTH
|
||
)
|
||
delete_response.raise_for_status()
|
||
|
||
print(f"文档 {doc_id} 删除成功")
|
||
return True
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"删除文档失败: {e.response.text}")
|
||
return False
|
||
|
||
def update_user_own_password(user_id, old_password, new_password):
|
||
"""
|
||
用户修改自己的密码
|
||
|
||
参数:
|
||
user_id (str): 用户ID
|
||
old_password (str): 旧密码
|
||
new_password (str): 新密码
|
||
|
||
返回:
|
||
bool: 修改成功返回True，失败返回False
|
||
"""
|
||
try:
|
||
# 先查找用户
|
||
response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_search",
|
||
auth=AUTH,
|
||
json={
|
||
"query": {
|
||
"term": {
|
||
"user_id": user_id
|
||
}
|
||
}
|
||
}
|
||
)
|
||
response.raise_for_status()
|
||
results = response.json()["hits"]["hits"]
|
||
|
||
if not results:
|
||
print(f"用户 {user_id} 不存在")
|
||
return False
|
||
|
||
user_data = results[0]["_source"]
|
||
doc_id = results[0]["_id"]
|
||
|
||
# 验证旧密码
|
||
if user_data.get("password") != old_password:
|
||
print("旧密码错误")
|
||
return False
|
||
|
||
# 更新密码
|
||
user_data["password"] = new_password
|
||
|
||
# 更新文档
|
||
update_response = requests.post(
|
||
f"{ES_URL}/{users_index_name}/_doc/{doc_id}",
|
||
auth=AUTH,
|
||
json=user_data,
|
||
headers={"Content-Type": "application/json"}
|
||
)
|
||
update_response.raise_for_status()
|
||
|
||
print(f"用户 {user_id} 密码修改成功")
|
||
return True
|
||
|
||
except requests.exceptions.HTTPError as e:
|
||
print(f"修改密码失败: {e.response.text}")
|
||
return False
|