system: You are an expert security code reviewer. You will be shown a source code file. Your task is to name the single function or class that contains the specified CWE vulnerability.

OUTPUT FORMAT: Respond with the exact function or class name (no parentheses, no qualifiers, no module prefixes), wrapped in \boxed{...}. Example: `\boxed{salted_hmac}`. Output the boxed name ONLY -- no explanation, no other text.

user: ```python
from flask import Flask, render_template

import config.config
import csv_processor
import  os, sysconfig, logging, time
import Report
import sys
from config import config as global_config
import pandas as pd

app = Flask(__name__)



try:
    logger = logging.getLogger('Report Generator')
    logger.setLevel(logging.DEBUG) # most verbose version
    log_file_name = "application_logs.log"
    fh = logging.FileHandler(log_file_name)
    formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
    fh.setFormatter(formatter)
    logger.addHandler(fh)
    logger.addHandler( logging.StreamHandler(sys.stdout) )
    Report.logger = logger
except Exception:
    print("Something went wrong with setup of logs")
    print("Error message {0}".format(sysconfig.exec_info()[0]))
    exit

print("Logs setup into {0}".format(log_file_name))

@app.route('/')
def hello_world():
    # return "Semmes that server is working!"
    return render_template("hello_page.html", context = 0)

@app.route('/reports')
def list_reports():
    reports_path = global_config.APP_ROOT + os.sep + "reports"
    if os.path.exists(reports_path):
        logger.debug("Getting list of {0}".format(reports_path))
        reports_list = os.listdir(reports_path)  # returns list
        # print(reports_list)
        return render_template('full_report.html', reports_list = reports_list, local_path = global_config.APP_ROOT + "reports/")
    else:
        return "No reports generated so far in {0}: (.".format(reports_path)


def sanitize_path(file_path: str) -> str:
    if file_path.startswith("."):
        file_path = file_path[1::]
    file_path = file_path.replace("/", os.sep)
    file_path = file_path.replace("\\", os.sep)

    # file_path = file_path.replace(f"{os.sep}{config.config.DATA_FOLDER_NAME}{os.sep}", "")

    return file_path

@app.route('/generate/<path:filename>')
def generate_reports(filename):

    filename = sanitize_path(filename)
    if os.path.abspath(filename):
        report_data_path = filename
    else:
        report_data_path = global_config.APP_ROOT + os.sep + "data" + os.sep + filename

    logger.info("Will be reading data from {0}".format(report_data_path))

    if report_data_path.endswith('xlsx') or report_data_path.endswith('xls'):
        try:
            read_file = pd.read_excel(report_data_path) 
            report_data_path = report_data_path.replace("xlsx", "csv").replace("xls", "csv")
            read_file.to_csv(report_data_path, index=None, header=True, sep=config.config.CSV_SEPARATOR)
            logger.info("Transformed file into csv file")
        except Exception as e:
            logger.exception("Couldnt transform xls into csv")
            logger.exception(e)

    report_data = csv_processor.read_file(report_data_path)
    records = csv_processor.create_record_table(report_data)

    # print (records)
    report_directory = os.path.dirname(global_config.APP_ROOT + os.sep + "reports" + os.sep)
    logger.info("Reports will be put into {0}".format(report_directory))
    if not os.path.exists(report_directory):
        logger.debug("Folder {0} had to be created".format(report_directory))
        os.makedirs(report_directory)
    else:  # there could be leftovers from previous execution
        previous_files = os.listdir(report_directory)
        if previous_files.__len__() != 0:
            archive_folder = "{0}{sep}old_files_{1}".format(report_directory, time.strftime(
                "%d%m%Y_%H%M"), sep=os.sep)  # folder will be like \raports\old_files_20121224_2323
            if os.path.exists(archive_folder):
                archive_folder += "_{0}".format(os.listdir(
                    report_directory).__len__() + 1)  # if it was runned the same minute it will get just suffix with count of folders
            logger.info("There was files in report directory. Moving them into {0}".format(archive_folder))
            os.makedirs(archive_folder)
            for file in previous_files:
                if file == filename or file.startswith("old_files"):
                    continue
                os.rename("{0}{sep}{1}".format(report_directory, file, sep=os.sep), "{0}{sep}{1}".format(archive_folder, file, sep=os.sep))
                logger.debug("Moved {0} into {1}"
                             .format("{0}{sep}{1}".format(report_directory, file, sep=os.sep), "{0}{sep}{1}".format(archive_folder, file, sep=os.sep)))
            print("Moved whole content of report folder into {0}".format(archive_folder))

    report_count = 0

    for record in records:
        try:
            report_in_html = csv_processor.generate_HTML_report_table(record)
            file_name = "{0}{sep}reports{sep}sprawdzenie_programu_pracy_{1}.html".format(global_config.APP_ROOT,
                                                                              record.groupType.replace(" ", "").replace("'", "").replace('"', ""), sep=os.sep)
            f_out = open(file_name, 'w', encoding="utf-8")
            f_out.write(report_in_html)
            f_out.close()
            logger.debug("Generated {0}".format(file_name))

            os.system("wkhtmltopdf {html_file} {pdf_file}".format(html_file=file_name, pdf_file=file_name.replace("html", "pdf")))

            if config.config.REMOVE_HTML_AFTER:
                os.remove(file_name)

            report_count += 1
        except Exception:
            logger.error("REPORT GENERATOR: Error message {0}".format(sys.exc_info()))

    logger.info("Successfully created {0} reports".format(report_count))
    print("REPORT GENERATOR: Successfully created {0} reports".format(report_count)) #writes to console
    if report_count != len(records):
        logger.error(f"There were {len(records)-report_count} errors during generation")

    return "Successfully created {0} reports from file: {1}".format(report_count, report_data_path)


if __name__ == '__main__':

    print("hello world")
    print(sys.argv)
    if len(sys.argv) > 1:
        generate_reports(sys.argv[1])

    # print("Application is serving this maping: \n{0}".format(app.url_map))
    # print("") # for empty line
    # app.run()

```

Name the function or class in this code that contains a `CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')` vulnerability.
Answer: generate_reports