File size: 3,781 Bytes
fa82d94 614a413 311da71 614a413 311da71 614a413 311da71 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 |
#
# Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import re
import socket
from urllib.parse import urlparse
import ipaddress
import json
import base64
from selenium import webdriver
from selenium.webdriver.chrome.options import Options
from selenium.webdriver.chrome.service import Service
from selenium.common.exceptions import TimeoutException
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support.expected_conditions import staleness_of
from webdriver_manager.chrome import ChromeDriverManager
from selenium.webdriver.common.by import By
def html2pdf(
source: str,
timeout: int = 2,
install_driver: bool = True,
print_options: dict = {},
):
result = __get_pdf_from_html(source, timeout, install_driver, print_options)
return result
def __send_devtools(driver, cmd, params={}):
resource = "/session/%s/chromium/send_command_and_get_result" % driver.session_id
url = driver.command_executor._url + resource
body = json.dumps({"cmd": cmd, "params": params})
response = driver.command_executor._request("POST", url, body)
if not response:
raise Exception(response.get("value"))
return response.get("value")
def __get_pdf_from_html(
path: str,
timeout: int,
install_driver: bool,
print_options: dict
):
webdriver_options = Options()
webdriver_prefs = {}
webdriver_options.add_argument("--headless")
webdriver_options.add_argument("--disable-gpu")
webdriver_options.add_argument("--no-sandbox")
webdriver_options.add_argument("--disable-dev-shm-usage")
webdriver_options.experimental_options["prefs"] = webdriver_prefs
webdriver_prefs["profile.default_content_settings"] = {"images": 2}
if install_driver:
service = Service(ChromeDriverManager().install())
driver = webdriver.Chrome(service=service, options=webdriver_options)
else:
driver = webdriver.Chrome(options=webdriver_options)
driver.get(path)
try:
WebDriverWait(driver, timeout).until(
staleness_of(driver.find_element(by=By.TAG_NAME, value="html"))
)
except TimeoutException:
calculated_print_options = {
"landscape": False,
"displayHeaderFooter": False,
"printBackground": True,
"preferCSSPageSize": True,
}
calculated_print_options.update(print_options)
result = __send_devtools(
driver, "Page.printToPDF", calculated_print_options)
driver.quit()
return base64.b64decode(result["data"])
def is_private_ip(ip: str) -> bool:
try:
ip_obj = ipaddress.ip_address(ip)
return ip_obj.is_private
except ValueError:
return False
def is_valid_url(url: str) -> bool:
if not re.match(r"(https?)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]", url):
return False
parsed_url = urlparse(url)
hostname = parsed_url.hostname
if not hostname:
return False
try:
ip = socket.gethostbyname(hostname)
if is_private_ip(ip):
return False
except socket.gaierror:
return False
return True |