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SITE=https://www.xxx.com/

USERNAME=username

PASS=password

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COOKIES=/tmp/cron-cookies.txt

WGETPARAMS="-O /dev/null --no-check-certificate --save-cookies $COOKIES --keep-session-cookies --load-cookies $COOKIES"

# if you run drupal in a default language different than English you need to modify this

LOGIN="Log%20in"

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wget $WGETPARAMS "${SITE}user"

wget $WGETPARAMS --post-data="name=$USERNAME&pass=$PASS&op=$LOGIN&form_id=user_login" "${SITE}user"

wget $WGETPARAMS "${SITE}cron.php"

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前提是登录页面必须没有验证码校验的功能。