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72dfaea434723245ff58e802ebc7d07324609fee
certbot/letsencrypt-auto-source/letsencrypt-auto
Brad Warren 5bca100b25 Merge branch 'master' into real-py26-support
2016-02-02 12:35:28 -08:00

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#!/bin/sh
#
# Download and run the latest release version of the Let's Encrypt client.
#
# NOTE: THIS SCRIPT IS AUTO-GENERATED AND SELF-UPDATING
#
# IF YOU WANT TO EDIT IT LOCALLY, *ALWAYS* RUN YOUR COPY WITH THE
# "--no-self-upgrade" FLAG
#
# IF YOU WANT TO SEND PULL REQUESTS, THE REAL SOURCE FOR THIS FILE IS
# letsencrypt-auto-source/letsencrypt-auto.template AND
# letsencrypt-auto-source/pieces/bootstrappers/*
set -e # Work even if somebody does "sh thisscript.sh".
# Note: you can set XDG_DATA_HOME or VENV_PATH before running this script,
# if you want to change where the virtual environment will be installed
XDG_DATA_HOME=${XDG_DATA_HOME:-~/.local/share}
VENV_NAME="letsencrypt"
VENV_PATH=${VENV_PATH:-"$XDG_DATA_HOME/$VENV_NAME"}
VENV_BIN=${VENV_PATH}/bin
LE_AUTO_VERSION="0.4.0.dev0"
# This script takes the same arguments as the main letsencrypt program, but it
# additionally responds to --verbose (more output) and --debug (allow support
# for experimental platforms)
for arg in "$@" ; do
# This first clause is redundant with the third, but hedging on portability
if [ "$arg" = "-v" ] || [ "$arg" = "--verbose" ] || echo "$arg" | grep -E -- "-v+$" ; then
VERBOSE=1
elif [ "$arg" = "--no-self-upgrade" ] ; then
# Do not upgrade this script (also prevents client upgrades, because each
# copy of the script pins a hash of the python client)
NO_SELF_UPGRADE=1
elif [ "$arg" = "--os-packages-only" ] ; then
OS_PACKAGES_ONLY=1
elif [ "$arg" = "--debug" ]; then
DEBUG=1
fi
done
# letsencrypt-auto needs root access to bootstrap OS dependencies, and
# letsencrypt itself needs root access for almost all modes of operation
# The "normal" case is that sudo is used for the steps that need root, but
# this script *can* be run as root (not recommended), or fall back to using
# `su`
if test "`id -u`" -ne "0" ; then
if command -v sudo 1>/dev/null 2>&1; then
SUDO=sudo
else
echo \"sudo\" is not available, will use \"su\" for installation steps...
# Because the parameters in `su -c` has to be a string,
# we need properly escape it
su_sudo() {
args=""
# This `while` loop iterates over all parameters given to this function.
# For each parameter, all `'` will be replace by `'"'"'`, and the escaped string
# will be wrapped in a pair of `'`, then appended to `$args` string
# For example, `echo "It's only 1\$\!"` will be escaped to:
# 'echo' 'It'"'"'s only 1$!'
# │ │└┼┘│
# │ │ │ └── `'s only 1$!'` the literal string
# │ │ └── `\"'\"` is a single quote (as a string)
# │ └── `'It'`, to be concatenated with the strings following it
# └── `echo` wrapped in a pair of `'`, it's totally fine for the shell command itself
while [ $# -ne 0 ]; do
args="$args'$(printf "%s" "$1" | sed -e "s/'/'\"'\"'/g")' "
shift
done
su root -c "$args"
}
SUDO=su_sudo
fi
else
SUDO=
fi
ExperimentalBootstrap() {
# Arguments: Platform name, bootstrap function name
if [ "$DEBUG" = 1 ]; then
if [ "$2" != "" ]; then
echo "Bootstrapping dependencies via $1..."
$2
fi
else
echo "WARNING: $1 support is very experimental at present..."
echo "if you would like to work on improving it, please ensure you have backups"
echo "and then run this script again with the --debug flag!"
exit 1
fi
}
DeterminePythonVersion() {
if command -v python2.7 > /dev/null ; then
export LE_PYTHON=${LE_PYTHON:-python2.7}
elif command -v python27 > /dev/null ; then
export LE_PYTHON=${LE_PYTHON:-python27}
elif command -v python2 > /dev/null ; then
export LE_PYTHON=${LE_PYTHON:-python2}
elif command -v python > /dev/null ; then
export LE_PYTHON=${LE_PYTHON:-python}
else
echo "Cannot find any Pythons... please install one!"
exit 1
fi
PYVER=`"$LE_PYTHON" --version 2>&1 | cut -d" " -f 2 | cut -d. -f1,2 | sed 's/\.//'`
if [ $PYVER -lt 26 ]; then
echo "You have an ancient version of Python entombed in your operating system..."
echo "This isn't going to work; you'll need at least version 2.6."
exit 1
fi
}
BootstrapDebCommon() {
# Current version tested with:
#
# - Ubuntu
# - 14.04 (x64)
# - 15.04 (x64)
# - Debian
# - 7.9 "wheezy" (x64)
# - sid (2015-10-21) (x64)
# Past versions tested with:
#
# - Debian 8.0 "jessie" (x64)
# - Raspbian 7.8 (armhf)
# Believed not to work:
#
# - Debian 6.0.10 "squeeze" (x64)
$SUDO apt-get update || echo apt-get update hit problems but continuing anyway...
# virtualenv binary can be found in different packages depending on
# distro version (#346)
virtualenv=
if apt-cache show virtualenv > /dev/null 2>&1; then
virtualenv="virtualenv"
fi
if apt-cache show python-virtualenv > /dev/null 2>&1; then
virtualenv="$virtualenv python-virtualenv"
fi
augeas_pkg="libaugeas0 augeas-lenses"
AUGVERSION=`apt-cache show --no-all-versions libaugeas0 | grep ^Version: | cut -d" " -f2`
AddBackportRepo() {
# ARGS:
BACKPORT_NAME="$1"
BACKPORT_SOURCELINE="$2"
if ! grep -v -e ' *#' /etc/apt/sources.list | grep -q "$BACKPORT_NAME" ; then
# This can theoretically error if sources.list.d is empty, but in that case we don't care.
if ! grep -v -e ' *#' /etc/apt/sources.list.d/* 2>/dev/null | grep -q "$BACKPORT_NAME"; then
/bin/echo -n "Installing augeas from $BACKPORT_NAME in 3 seconds..."
sleep 1s
/bin/echo -ne "\e[0K\rInstalling augeas from $BACKPORT_NAME in 2 seconds..."
sleep 1s
/bin/echo -e "\e[0K\rInstalling augeas from $BACKPORT_NAME in 1 second ..."
sleep 1s
if echo $BACKPORT_NAME | grep -q wheezy ; then
/bin/echo '(Backports are only installed if explicitly requested via "apt-get install -t wheezy-backports")'
fi
sudo sh -c "echo $BACKPORT_SOURCELINE >> /etc/apt/sources.list.d/$BACKPORT_NAME.list"
$SUDO apt-get update
fi
fi
$SUDO apt-get install -y --no-install-recommends -t "$BACKPORT_NAME" $augeas_pkg
augeas_pkg=
}
if dpkg --compare-versions 1.0 gt "$AUGVERSION" ; then
if lsb_release -a | grep -q wheezy ; then
AddBackportRepo wheezy-backports "deb http://http.debian.net/debian wheezy-backports main"
elif lsb_release -a | grep -q precise ; then
# XXX add ARM case
AddBackportRepo precise-backports "deb http://archive.ubuntu.com/ubuntu precise-backports main restricted universe multiverse"
else
echo "No libaugeas0 version is available that's new enough to run the"
echo "Let's Encrypt apache plugin..."
fi
# XXX add a case for ubuntu PPAs
fi
$SUDO apt-get install -y --no-install-recommends \
python \
python-dev \
$virtualenv \
gcc \
dialog \
$augeas_pkg \
libssl-dev \
libffi-dev \
ca-certificates \
if ! command -v virtualenv > /dev/null ; then
echo Failed to install a working \"virtualenv\" command, exiting
exit 1
fi
}
BootstrapRpmCommon() {
# Tested with:
# - Fedora 22, 23 (x64)
# - Centos 7 (x64: on DigitalOcean droplet)
# - CentOS 7 Minimal install in a Hyper-V VM
if type dnf 2>/dev/null
then
tool=dnf
elif type yum 2>/dev/null
then
tool=yum
else
echo "Neither yum nor dnf found. Aborting bootstrap!"
exit 1
fi
# Some distros and older versions of current distros use a "python27"
# instead of "python" naming convention. Try both conventions.
if ! $SUDO $tool install -y \
python \
python-devel \
python-virtualenv \
python-tools \
python-pip
then
if ! $SUDO $tool install -y \
python27 \
python27-devel \
python27-virtualenv \
python27-tools \
python27-pip
then
echo "Could not install Python dependencies. Aborting bootstrap!"
exit 1
fi
fi
if ! $SUDO $tool install -y \
gcc \
dialog \
augeas-libs \
openssl \
openssl-devel \
libffi-devel \
redhat-rpm-config \
ca-certificates
then
echo "Could not install additional dependencies. Aborting bootstrap!"
exit 1
fi
if $SUDO $tool list installed "httpd" >/dev/null 2>&1; then
if ! $SUDO $tool install -y mod_ssl
then
echo "Apache found, but mod_ssl could not be installed."
fi
fi
}
BootstrapSuseCommon() {
# SLE12 don't have python-virtualenv
$SUDO zypper -nq in -l \
python \
python-devel \
python-virtualenv \
gcc \
dialog \
augeas-lenses \
libopenssl-devel \
libffi-devel \
ca-certificates
}
BootstrapArchCommon() {
# Tested with:
# - ArchLinux (x86_64)
#
# "python-virtualenv" is Python3, but "python2-virtualenv" provides
# only "virtualenv2" binary, not "virtualenv" necessary in
# ./bootstrap/dev/_common_venv.sh
deps="
python2
python-virtualenv
gcc
dialog
augeas
openssl
libffi
ca-certificates
pkg-config
"
missing=$("$SUDO" pacman -T $deps)
if [ "$missing" ]; then
"$SUDO" pacman -S --needed $missing
fi
}
BootstrapGentooCommon() {
PACKAGES="
dev-lang/python:2.7
dev-python/virtualenv
dev-util/dialog
app-admin/augeas
dev-libs/openssl
dev-libs/libffi
app-misc/ca-certificates
virtual/pkgconfig"
case "$PACKAGE_MANAGER" in
(paludis)
"$SUDO" cave resolve --keep-targets if-possible $PACKAGES -x
;;
(pkgcore)
"$SUDO" pmerge --noreplace $PACKAGES
;;
(portage|*)
"$SUDO" emerge --noreplace $PACKAGES
;;
esac
}
BootstrapFreeBsd() {
"$SUDO" pkg install -Ay \
python \
py27-virtualenv \
augeas \
libffi
}
BootstrapMac() {
if ! hash brew 2>/dev/null; then
echo "Homebrew Not Installed\nDownloading..."
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
fi
brew install augeas
brew install dialog
if ! hash pip 2>/dev/null; then
echo "pip Not Installed\nInstalling python from Homebrew..."
brew install python
fi
if ! hash virtualenv 2>/dev/null; then
echo "virtualenv Not Installed\nInstalling with pip"
pip install virtualenv
fi
}
# Install required OS packages:
Bootstrap() {
if [ -f /etc/debian_version ]; then
echo "Bootstrapping dependencies for Debian-based OSes..."
BootstrapDebCommon
elif [ -f /etc/redhat-release ]; then
echo "Bootstrapping dependencies for RedHat-based OSes..."
BootstrapRpmCommon
elif [ -f /etc/os-release] && `grep -q openSUSE /etc/os-release` ; then
echo "Bootstrapping dependencies for openSUSE-based OSes..."
BootstrapSuseCommon
elif [ -f /etc/arch-release ]; then
if [ "$DEBUG" = 1 ]; then
echo "Bootstrapping dependencies for Archlinux..."
BootstrapArchCommon
else
echo "Please use pacman to install letsencrypt packages:"
echo "# pacman -S letsencrypt letsencrypt-apache"
echo
echo "If you would like to use the virtualenv way, please run the script again with the"
echo "--debug flag."
exit 1
fi
elif [ -f /etc/manjaro-release ]; then
ExperimentalBootstrap "Manjaro Linux" BootstrapArchCommon
elif [ -f /etc/gentoo-release ]; then
ExperimentalBootstrap "Gentoo" BootstrapGentooCommon
elif uname | grep -iq FreeBSD ; then
ExperimentalBootstrap "FreeBSD" BootstrapFreeBsd
elif uname | grep -iq Darwin ; then
ExperimentalBootstrap "Mac OS X" BootstrapMac
elif grep -iq "Amazon Linux" /etc/issue ; then
ExperimentalBootstrap "Amazon Linux" BootstrapRpmCommon
else
echo "Sorry, I don't know how to bootstrap Let's Encrypt on your operating system!"
echo
echo "You will need to bootstrap, configure virtualenv, and run a peep install manually."
echo "Please see https://letsencrypt.readthedocs.org/en/latest/contributing.html#prerequisites"
echo "for more info."
fi
}
TempDir() {
mktemp -d 2>/dev/null || mktemp -d -t 'le' # Linux || OS X
}
if [ "$NO_SELF_UPGRADE" = 1 ]; then
# Phase 2: Create venv, install LE, and run.
if [ -f "$VENV_BIN/letsencrypt" ]; then
INSTALLED_VERSION=$("$VENV_BIN/letsencrypt" --version 2>&1 | cut -d " " -f 2)
else
INSTALLED_VERSION="none"
fi
if [ "$LE_AUTO_VERSION" != "$INSTALLED_VERSION" ]; then
echo "Creating virtual environment..."
DeterminePythonVersion
rm -rf "$VENV_PATH"
if [ "$VERBOSE" = 1 ]; then
virtualenv --no-site-packages --python "$LE_PYTHON" "$VENV_PATH"
else
virtualenv --no-site-packages --python "$LE_PYTHON" "$VENV_PATH" > /dev/null
fi
echo "Installing Python packages..."
TEMP_DIR=$(TempDir)
# There is no $ interpolation due to quotes on starting heredoc delimiter.
# -------------------------------------------------------------------------
cat << "UNLIKELY_EOF" > "$TEMP_DIR/letsencrypt-auto-requirements.txt"
# This is the flattened list of packages letsencrypt-auto installs. To generate
# this, do `pip install --no-cache-dir -e acme -e . -e letsencrypt-apache`, and
# then use `hashin` or a more secure method to gather the hashes.
# sha256: wxZH7baf09RlqEfqMVfTe-0flfGXYLEaR6qRwEtmYxQ
# sha256: YrCJpVvh2JSc0rx-DfC9254Cj678jDIDjMhIYq791uQ
argparse==1.4.0
# sha256: U8HJ3bMEMVE-t_PN7wo-BrDxJSGIqqd0SvD1pM1F268
# sha256: pWj0nfyhKo2fNwGHJX78WKOBCeHu5xTZKFYdegGKZPg
# sha256: gJxsqM-8ruv71DK0V2ABtA04_yRjdzy1dXfXXhoCC8M
# sha256: hs3KLNnLpBQiIwOQ3xff6qnzRKkR45dci-naV7NVSOk
# sha256: JLE9uErsOFyiPHuN7YPvi7QXe8GB0UdY-fl1vl0CDYY
# sha256: lprv_XwOCX9r4e_WgsFWriJlkaB5OpS2wtXkKT9MjU4
# sha256: AA81jUsPokn-qrnBzn1bL-fgLnvfaAbCZBhQX8aF4mg
# sha256: qdhvRgu9g1ii1ROtd54_P8h447k6ALUAL66_YW_-a5w
# sha256: MSezqzPrI8ysBx-aCAJ0jlz3xcvNAkgrsGPjW0HbsLA
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# sha256: XKj-MEJSZaSSdOSwITobyY9LE0Sa5elvmEdx5dg-WME
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# sha256: hs1pErvIPpQF1Kc81_S07oNTZS0tvHyCAQbtW00bqzo
# sha256: jx0XfTZOo1kAQVriTKPkcb49UzTtBBkpQGjEn0WROZg
cffi==1.4.2
# sha256: O1CoPdWBSd_O6Yy2VlJl0QtT6cCivKfu73-19VJIkKc
ConfigArgParse==0.10.0
# sha256: ovVlB3DhyH-zNa8Zqbfrc_wFzPIhROto230AzSvLCQI
configobj==5.0.6
# sha256: 1U_hszrB4J8cEj4vl0948z6V1h1PSALdISIKXD6MEX0
# sha256: B1X2aE4RhSAFs2MTdh7ctbqEOmTNAizhrC3L1JqTYG0
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# sha256: GvQDkV3LmWHDB2iuZRr6tpKC0dpaut-mN1IhrBGHdQM
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# sha256: f1FFn4TWcERCdeYVg59FQsk1R6Euk4oKSQba_l994VM
cryptography==1.1.2
# sha256: JHXX_N31lR6S_1RpcnWIAt5SYL9Akxmp8ZNOa7yLHcc
# sha256: NZB977D5krdat3iPZf7cHPIP-iJojg5vbxKvwGs-pQE
enum34==1.1.2
# sha256: _1rZ4vjZ5dHou_vPR3IqtSfPDVHK7u2dptD0B5k4P94
# sha256: 2Dzm3wsOpmGHAP4ds1NSY5Goo62ht6ulL-16Ydp3IDM
funcsigs==0.4
# sha256: my_FC9PEujBrllG2lBHvIgJtTYM1uTr8IhTO8SRs5wc
# sha256: FhmarZOLKQ9b4QV8Dh78ZUYik5HCPOphypQMEV99PTs
idna==2.0
# sha256: k1cSgAzkdgcB2JrWd2Zs1SaR_S9vCzQMi0I5o8F5iKU
# sha256: WjGCsyKnBlJcRigspvBk0noCz_vUSfn0dBbx3JaqcbA
ipaddress==1.0.16
# sha256: 54vpwKDfy6xxL-BPv5K5bN2ugLG4QvJCSCFMhJbwBu8
# sha256: Syb_TnEQ23butvWntkqCYjg51ZXCA47tpmLyott46Xw
linecache2==1.0.0
# sha256: 6MFV_evZxLywgQtO0BrhmHVUse4DTddTLXuP2uOKYnQ
ndg-httpsclient==0.4.0
# sha256: HDW0rCBs7y0kgWyJ-Jzyid09OM98RJuz-re_bUPwGx8
ordereddict==1.1
# sha256: OnTxAPkNZZGDFf5kkHca0gi8PxOv0y01_P5OjQs7gSs
# sha256: Paa-K-UG9ZzOMuGeMOIBBT4btNB-JWaJGOAPikmtQKs
parsedatetime==1.5
# sha256: Rsjbda51oFa9HMB_ohc0_i5gPRGgeDPswe63TDXHLgw
# sha256: 4hJ2JqkebIhduJZol22zECDwry2nKJJLVkgPx8zwlkk
pbr==1.8.1
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# sha256: 9QAJM1fQTagUDYeTLKwuVO9ZKlTKinQ6uyhQ9gwsIus
psutil==3.3.0
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# sha256: hTys2W0fcB3dZ6oD7MBfUYkBNbcmLpInEBEvEqLtKn8
pyasn1==0.1.9
# sha256: eVm0p0q9wnsxL-0cIebK-TCc4LKeqGtZH9Lpns3yf3M
pycparser==2.14
# sha256: iORea7Jd_tJyoe8ucoRh1EtjTCzWiemJtuVqNJxaOuU
# sha256: 8KJgcNbbCIHei8x4RpNLfDyTDY-cedRYg-5ImEvA1nI
pyOpenSSL==0.15.1
# sha256: 7qMYNcVuIJavQ2OldFp4SHimHQQ-JH06bWoKMql0H1Y
# sha256: jfvGxFi42rocDzYgqMeACLMjomiye3NZ6SpK5BMl9TU
pyRFC3339==1.0
# sha256: Z9WdZs26jWJOA4m4eyqDoXbyHxaodVO1D1cDsj8pusI
python-augeas==0.5.0
# sha256: BOk_JJlcQ92Q8zjV2GXKcs4_taU1jU2qSWVXHbNfw-w
# sha256: Pm9ZP-rZj4pSa8PjBpM1MyNuM3KfVS9SiW6lBPVTE_o
python2-pythondialog==3.3.0
# sha256: Or5qbT_C-75MYBRCEfRdou2-MYKm9lEa9ru6BZix-ZI
# sha256: k575weEiTZgEBWial__PeCjFbRUXsx1zRkNWwfK3dp4
# sha256: 6tSu-nAHJJ4F5RsBCVcZ1ajdlXYAifVzCqxWmLGTKRg
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# sha256: Pt5HDT0XujwHY436DRBFK8G25a0yYSemW6d-aq6xG-w
# sha256: aMR5ZPcYbuwwaxNilidyK5B5zURH7Z5eyuzU6shMpzQ
# sha256: 3V05kZUKrkCmyB3hV4lC5z1imAjO_FHRLNFXmA5s_Bg
# sha256: p3xSBiwH63x7MFRdvHPjKZW34Rfup1Axe1y1x6RhjxQ
# sha256: ga-a7EvJYKmgEnxIjxh3La5GNGiSM_BvZUQ-exHr61E
# sha256: 4Hmx2txcBiRswbtv4bI6ULHRFz8u3VEE79QLtzoo9AY
# sha256: -9JnRncsJMuTyLl8va1cueRshrvbG52KdD7gDi-x_F0
# sha256: mSZu8wo35Dky3uwrfKc-g8jbw7n_cD7HPsprHa5r7-o
# sha256: i2zhyZOQl4O8luC0806iI7_3pN8skL25xODxrJKGieM
pytz==2015.7
# sha256: ET-7pVManjSUW302szoIToul0GZLcDyBp8Vy2RkZpbg
# sha256: xXeBXdAPE5QgP8ROuXlySwmPiCZKnviY7kW45enPWH8
requests==2.9.1
# sha256: D_eMQD2bzPWkJabTGhKqa0fxwhyk3CVzp-LzKpczXrE
# sha256: EF-NaGFvgkjiS_DpNy7wTTzBAQTxmA9U1Xss5zpa1Wo
six==1.10.0
# sha256: glPOvsSxkJTWfMXtWvmb8duhKFKSIm6Yoxkp-HpdayM
# sha256: BazGegmYDC7P7dNCP3rgEEg57MtV_GRXc-HKoJUcMDA
traceback2==1.4.0
# sha256: E_d9CHXbbZtDXh1PQedK1MwutuHVyCSZYJKzQw8Ii7g
# sha256: IogqDkGMKE4fcYqCKzsCKUTVPS2QjhaQsxmp0-ssBXk
unittest2==1.1.0
# sha256: aUkbUwUVfDxuDwSnAZhNaud_1yn8HJrNJQd_HfOFMms
# sha256: 619wCpv8lkILBVY1r5AC02YuQ9gMP_0x8iTCW8DV9GI
Werkzeug==0.11.3
# sha256: KCwRK1XdjjyGmjVx-GdnwVCrEoSprOK97CJsWSrK-Bo
zope.component==4.2.2
# sha256: 3HpZov2Rcw03kxMaXSYbKek-xOKpfxvEh86N7-4v54Y
zope.event==4.1.0
# sha256: 8HtjH3pgHNjL0zMtVPQxQscIioMpn4WTVvCNHU1CWbM
# sha256: 3lzKCDuUOdgAL7drvmtJmMWlpyH6sluEKYln8ALfTJQ
# sha256: Z4hBb36n9bipe-lIJTd6ol6L3HNGPge6r5hYsp5zcHc
# sha256: bzIw9yVFGCAeWjcIy7LemMhIME8G497Yv7OeWCXLouE
# sha256: X6V1pSQPBCAMMIhCfQ1Le3N_bpAYgYpR2ND5J6aiUXo
# sha256: UiGUrWpUVzXt11yKg_SNZdGvBk5DKn0yDWT1a6_BLpk
# sha256: 6Mey1AlD9xyZFIyX9myqf1E0FH9XQj-NtbSCUJnOmgk
# sha256: J5Ak8CCGAcPKqQfFOHbjetiGJffq8cs4QtvjYLIocBc
# sha256: LiIanux8zFiImieOoT3P7V75OdgLB4Gamos8scaBSE8
# sha256: aRGJZUEOyG1E3GuQF-4929WC4MCr7vYrOhnb9sitEys
# sha256: 0E34aG7IZNDK3ozxmff4OuzUFhCaIINNVo-DEN7RLeo
# sha256: 51qUfhXul-fnHgLqMC_rL8YtOiu0Zov5377UOlBqx-c
# sha256: TkXSL7iDIipaufKCoRb-xe4ujRpWjM_2otdbvQ62vPw
# sha256: vOkzm7PHpV4IA7Y9IcWDno5Hm8hcSt9CrkFbcvlPrLI
# sha256: koE4NlJFoOiGmlmZ-8wqRUdaCm7VKklNYNvcVAM1_t0
# sha256: DYQbobuEDuoOZIncXsr6YSVVSXH1O1rLh3ZEQeYbzro
# sha256: sJyMHUezUxxADgGVaX8UFKYyId5u9HhZik8UYPfZo5I
zope.interface==4.1.3
# sha256: QMIkIvGF3mcJhGLAKRX7n5EVIPjOrfLtklN6ePjbJes
# sha256: fNFWiij6VxfG5o7u3oNbtrYKQ4q9vhzOLATfxNlozvQ
acme==0.3.0
# sha256: qdnzpoRf_44QXKoktNoAKs2RBAxUta2Sr6GS0t_tAKo
# sha256: ELWJaHNvBZIqVPJYkla8yXLtXIuamqAf6f_VAFv16Uk
letsencrypt==0.3.0
# sha256: EypLpEw3-Tr8unw4aSFsHXgRiU8ZYLrJKOJohP2tC9M
# sha256: HYvP13GzA-DDJYwlfOoaraJO0zuYO48TCSAyTUAGCqA
letsencrypt-apache==0.3.0
# sha256: uDndLZwRfHAUMMFJlWkYpCOphjtIsJyQ4wpgE-fS9E8
# sha256: j4MIDaoknQNsvM-4rlzG_wB7iNbZN1ITca-r57Gbrbw
mock==1.0.1
UNLIKELY_EOF
# -------------------------------------------------------------------------
cat << "UNLIKELY_EOF" > "$TEMP_DIR/peep.py"
#!/usr/bin/env python
"""peep ("prudently examine every package") verifies that packages conform to a
trusted, locally stored hash and only then installs them::
peep install -r requirements.txt
This makes your deployments verifiably repeatable without having to maintain a
local PyPI mirror or use a vendor lib. Just update the version numbers and
hashes in requirements.txt, and you're all set.
"""
# This is here so embedded copies of peep.py are MIT-compliant:
# Copyright (c) 2013 Erik Rose
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
from __future__ import print_function
try:
xrange = xrange
except NameError:
xrange = range
from base64 import urlsafe_b64encode, urlsafe_b64decode
from binascii import hexlify
import cgi
from collections import defaultdict
from functools import wraps
from hashlib import sha256
from itertools import chain, islice
import mimetypes
from optparse import OptionParser
from os.path import join, basename, splitext, isdir
from pickle import dumps, loads
import re
import sys
from shutil import rmtree, copy
from sys import argv, exit
from tempfile import mkdtemp
import traceback
try:
from urllib2 import build_opener, HTTPHandler, HTTPSHandler, HTTPError
except ImportError:
from urllib.request import build_opener, HTTPHandler, HTTPSHandler
from urllib.error import HTTPError
try:
from urlparse import urlparse
except ImportError:
from urllib.parse import urlparse # 3.4
# TODO: Probably use six to make urllib stuff work across 2/3.
from pkg_resources import require, VersionConflict, DistributionNotFound
# We don't admit our dependency on pip in setup.py, lest a naive user simply
# say `pip install peep.tar.gz` and thus pull down an untrusted copy of pip
# from PyPI. Instead, we make sure it's installed and new enough here and spit
# out an error message if not:
def activate(specifier):
"""Make a compatible version of pip importable. Raise a RuntimeError if we
couldn't."""
try:
for distro in require(specifier):
distro.activate()
except (VersionConflict, DistributionNotFound):
raise RuntimeError('The installed version of pip is too old; peep '
'requires ' + specifier)
# Before 0.6.2, the log module wasn't there, so some
# of our monkeypatching fails. It probably wouldn't be
# much work to support even earlier, though.
activate('pip>=0.6.2')
import pip
from pip.commands.install import InstallCommand
try:
from pip.download import url_to_path # 1.5.6
except ImportError:
try:
from pip.util import url_to_path # 0.7.0
except ImportError:
from pip.util import url_to_filename as url_to_path # 0.6.2
from pip.index import PackageFinder, Link
try:
from pip.log import logger
except ImportError:
from pip import logger # 6.0
from pip.req import parse_requirements
try:
from pip.utils.ui import DownloadProgressBar, DownloadProgressSpinner
except ImportError:
class NullProgressBar(object):
def __init__(self, *args, **kwargs):
pass
def iter(self, ret, *args, **kwargs):
return ret
DownloadProgressBar = DownloadProgressSpinner = NullProgressBar
__version__ = 3, 0, 0
try:
from pip.index import FormatControl # noqa
FORMAT_CONTROL_ARG = 'format_control'
# The line-numbering bug will be fixed in pip 8. All 7.x releases had it.
PIP_MAJOR_VERSION = int(pip.__version__.split('.')[0])
PIP_COUNTS_COMMENTS = PIP_MAJOR_VERSION >= 8
except ImportError:
FORMAT_CONTROL_ARG = 'use_wheel' # pre-7
PIP_COUNTS_COMMENTS = True
ITS_FINE_ITS_FINE = 0
SOMETHING_WENT_WRONG = 1
# "Traditional" for command-line errors according to optparse docs:
COMMAND_LINE_ERROR = 2
ARCHIVE_EXTENSIONS = ('.tar.bz2', '.tar.gz', '.tgz', '.tar', '.zip')
MARKER = object()
class PipException(Exception):
"""When I delegated to pip, it exited with an error."""
def __init__(self, error_code):
self.error_code = error_code
class UnsupportedRequirementError(Exception):
"""An unsupported line was encountered in a requirements file."""
class DownloadError(Exception):
def __init__(self, link, exc):
self.link = link
self.reason = str(exc)
def __str__(self):
return 'Downloading %s failed: %s' % (self.link, self.reason)
def encoded_hash(sha):
"""Return a short, 7-bit-safe representation of a hash.
If you pass a sha256, this results in the hash algorithm that the Wheel
format (PEP 427) uses, except here it's intended to be run across the
downloaded archive before unpacking.
"""
return urlsafe_b64encode(sha.digest()).decode('ascii').rstrip('=')
def path_and_line(req):
"""Return the path and line number of the file from which an
InstallRequirement came.
"""
path, line = (re.match(r'-r (.*) \(line (\d+)\)$',
req.comes_from).groups())
return path, int(line)
def hashes_above(path, line_number):
"""Yield hashes from contiguous comment lines before line ``line_number``.
"""
def hash_lists(path):
"""Yield lists of hashes appearing between non-comment lines.
The lists will be in order of appearance and, for each non-empty
list, their place in the results will coincide with that of the
line number of the corresponding result from `parse_requirements`
(which changed in pip 7.0 to not count comments).
"""
hashes = []
with open(path) as file:
for lineno, line in enumerate(file, 1):
match = HASH_COMMENT_RE.match(line)
if match: # Accumulate this hash.
hashes.append(match.groupdict()['hash'])
if not IGNORED_LINE_RE.match(line):
yield hashes # Report hashes seen so far.
hashes = []
elif PIP_COUNTS_COMMENTS:
# Comment: count as normal req but have no hashes.
yield []
return next(islice(hash_lists(path), line_number - 1, None))
def run_pip(initial_args):
"""Delegate to pip the given args (starting with the subcommand), and raise
``PipException`` if something goes wrong."""
status_code = pip.main(initial_args)
# Clear out the registrations in the pip "logger" singleton. Otherwise,
# loggers keep getting appended to it with every run. Pip assumes only one
# command invocation will happen per interpreter lifetime.
logger.consumers = []
if status_code:
raise PipException(status_code)
def hash_of_file(path):
"""Return the hash of a downloaded file."""
with open(path, 'rb') as archive:
sha = sha256()
while True:
data = archive.read(2 ** 20)
if not data:
break
sha.update(data)
return encoded_hash(sha)
def is_git_sha(text):
"""Return whether this is probably a git sha"""
# Handle both the full sha as well as the 7-character abbreviation
if len(text) in (40, 7):
try:
int(text, 16)
return True
except ValueError:
pass
return False
def filename_from_url(url):
parsed = urlparse(url)
path = parsed.path
return path.split('/')[-1]
def requirement_args(argv, want_paths=False, want_other=False):
"""Return an iterable of filtered arguments.
:arg argv: Arguments, starting after the subcommand
:arg want_paths: If True, the returned iterable includes the paths to any
requirements files following a ``-r`` or ``--requirement`` option.
:arg want_other: If True, the returned iterable includes the args that are
not a requirement-file path or a ``-r`` or ``--requirement`` flag.
"""
was_r = False
for arg in argv:
# Allow for requirements files named "-r", don't freak out if there's a
# trailing "-r", etc.
if was_r:
if want_paths:
yield arg
was_r = False
elif arg in ['-r', '--requirement']:
was_r = True
else:
if want_other:
yield arg
# any line that is a comment or just whitespace
IGNORED_LINE_RE = re.compile(r'^(\s*#.*)?\s*$')
HASH_COMMENT_RE = re.compile(
r"""
\s*\#\s+ # Lines that start with a '#'
(?P<hash_type>sha256):\s+ # Hash type is hardcoded to be sha256 for now.
(?P<hash>[^\s]+) # Hashes can be anything except '#' or spaces.
\s* # Suck up whitespace before the comment or
# just trailing whitespace if there is no
# comment. Also strip trailing newlines.
(?:\#(?P<comment>.*))? # Comments can be anything after a whitespace+#
# and are optional.
$""", re.X)
def peep_hash(argv):
"""Return the peep hash of one or more files, returning a shell status code
or raising a PipException.
:arg argv: The commandline args, starting after the subcommand
"""
parser = OptionParser(
usage='usage: %prog hash file [file ...]',
description='Print a peep hash line for one or more files: for '
'example, "# sha256: '
'oz42dZy6Gowxw8AelDtO4gRgTW_xPdooH484k7I5EOY".')
_, paths = parser.parse_args(args=argv)
if paths:
for path in paths:
print('# sha256:', hash_of_file(path))
return ITS_FINE_ITS_FINE
else:
parser.print_usage()
return COMMAND_LINE_ERROR
class EmptyOptions(object):
"""Fake optparse options for compatibility with pip<1.2
pip<1.2 had a bug in parse_requirements() in which the ``options`` kwarg
was required. We work around that by passing it a mock object.
"""
default_vcs = None
skip_requirements_regex = None
isolated_mode = False
def memoize(func):
"""Memoize a method that should return the same result every time on a
given instance.
"""
@wraps(func)
def memoizer(self):
if not hasattr(self, '_cache'):
self._cache = {}
if func.__name__ not in self._cache:
self._cache[func.__name__] = func(self)
return self._cache[func.__name__]
return memoizer
def package_finder(argv):
"""Return a PackageFinder respecting command-line options.
:arg argv: Everything after the subcommand
"""
# We instantiate an InstallCommand and then use some of its private
# machinery--its arg parser--for our own purposes, like a virus. This
# approach is portable across many pip versions, where more fine-grained
# ones are not. Ignoring options that don't exist on the parser (for
# instance, --use-wheel) gives us a straightforward method of backward
# compatibility.
try:
command = InstallCommand()
except TypeError:
# This is likely pip 1.3.0's "__init__() takes exactly 2 arguments (1
# given)" error. In that version, InstallCommand takes a top=level
# parser passed in from outside.
from pip.baseparser import create_main_parser
command = InstallCommand(create_main_parser())
# The downside is that it essentially ruins the InstallCommand class for
# further use. Calling out to pip.main() within the same interpreter, for
# example, would result in arguments parsed this time turning up there.
# Thus, we deepcopy the arg parser so we don't trash its singletons. Of
# course, deepcopy doesn't work on these objects, because they contain
# uncopyable regex patterns, so we pickle and unpickle instead. Fun!
options, _ = loads(dumps(command.parser)).parse_args(argv)
# Carry over PackageFinder kwargs that have [about] the same names as
# options attr names:
possible_options = [
'find_links',
FORMAT_CONTROL_ARG,
('allow_all_prereleases', 'pre'),
'process_dependency_links'
]
kwargs = {}
for option in possible_options:
kw, attr = option if isinstance(option, tuple) else (option, option)
value = getattr(options, attr, MARKER)
if value is not MARKER:
kwargs[kw] = value
# Figure out index_urls:
index_urls = [options.index_url] + options.extra_index_urls
if options.no_index:
index_urls = []
index_urls += getattr(options, 'mirrors', [])
# If pip is new enough to have a PipSession, initialize one, since
# PackageFinder requires it:
if hasattr(command, '_build_session'):
kwargs['session'] = command._build_session(options)
return PackageFinder(index_urls=index_urls, **kwargs)
class DownloadedReq(object):
"""A wrapper around InstallRequirement which offers additional information
based on downloading and examining a corresponding package archive
These are conceptually immutable, so we can get away with memoizing
expensive things.
"""
def __init__(self, req, argv, finder):
"""Download a requirement, compare its hashes, and return a subclass
of DownloadedReq depending on its state.
:arg req: The InstallRequirement I am based on
:arg argv: The args, starting after the subcommand
"""
self._req = req
self._argv = argv
self._finder = finder
# We use a separate temp dir for each requirement so requirements
# (from different indices) that happen to have the same archive names
# don't overwrite each other, leading to a security hole in which the
# latter is a hash mismatch, the former has already passed the
# comparison, and the latter gets installed.
self._temp_path = mkdtemp(prefix='peep-')
# Think of DownloadedReq as a one-shot state machine. It's an abstract
# class that ratchets forward to being one of its own subclasses,
# depending on its package status. Then it doesn't move again.
self.__class__ = self._class()
def dispose(self):
"""Delete temp files and dirs I've made. Render myself useless.
Do not call further methods on me after calling dispose().
"""
rmtree(self._temp_path)
def _version(self):
"""Deduce the version number of the downloaded package from its filename."""
# TODO: Can we delete this method and just print the line from the
# reqs file verbatim instead?
def version_of_archive(filename, package_name):
# Since we know the project_name, we can strip that off the left, strip
# any archive extensions off the right, and take the rest as the
# version.
for ext in ARCHIVE_EXTENSIONS:
if filename.endswith(ext):
filename = filename[:-len(ext)]
break
# Handle github sha tarball downloads.
if is_git_sha(filename):
filename = package_name + '-' + filename
if not filename.lower().replace('_', '-').startswith(package_name.lower()):
# TODO: Should we replace runs of [^a-zA-Z0-9.], not just _, with -?
give_up(filename, package_name)
return filename[len(package_name) + 1:] # Strip off '-' before version.
def version_of_wheel(filename, package_name):
# For Wheel files (http://legacy.python.org/dev/peps/pep-0427/#file-
# name-convention) we know the format bits are '-' separated.
whl_package_name, version, _rest = filename.split('-', 2)
# Do the alteration to package_name from PEP 427:
our_package_name = re.sub(r'[^\w\d.]+', '_', package_name, re.UNICODE)
if whl_package_name != our_package_name:
give_up(filename, whl_package_name)
return version
def give_up(filename, package_name):
raise RuntimeError("The archive '%s' didn't start with the package name "
"'%s', so I couldn't figure out the version number. "
"My bad; improve me." %
(filename, package_name))
get_version = (version_of_wheel
if self._downloaded_filename().endswith('.whl')
else version_of_archive)
return get_version(self._downloaded_filename(), self._project_name())
def _is_always_unsatisfied(self):
"""Returns whether this requirement is always unsatisfied
This would happen in cases where we can't determine the version
from the filename.
"""
# If this is a github sha tarball, then it is always unsatisfied
# because the url has a commit sha in it and not the version
# number.
url = self._url()
if url:
filename = filename_from_url(url)
if filename.endswith(ARCHIVE_EXTENSIONS):
filename, ext = splitext(filename)
if is_git_sha(filename):
return True
return False
@memoize # Avoid hitting the file[cache] over and over.
def _expected_hashes(self):
"""Return a list of known-good hashes for this package."""
return hashes_above(*path_and_line(self._req))
def _download(self, link):
"""Download a file, and return its name within my temp dir.
This does no verification of HTTPS certs, but our checking hashes
makes that largely unimportant. It would be nice to be able to use the
requests lib, which can verify certs, but it is guaranteed to be
available only in pip >= 1.5.
This also drops support for proxies and basic auth, though those could
be added back in.
"""
# Based on pip 1.4.1's URLOpener but with cert verification removed
def opener(is_https):
if is_https:
opener = build_opener(HTTPSHandler())
# Strip out HTTPHandler to prevent MITM spoof:
for handler in opener.handlers:
if isinstance(handler, HTTPHandler):
opener.handlers.remove(handler)
else:
opener = build_opener()
return opener
# Descended from unpack_http_url() in pip 1.4.1
def best_filename(link, response):
"""Return the most informative possible filename for a download,
ideally with a proper extension.
"""
content_type = response.info().get('content-type', '')
filename = link.filename # fallback
# Have a look at the Content-Disposition header for a better guess:
content_disposition = response.info().get('content-disposition')
if content_disposition:
type, params = cgi.parse_header(content_disposition)
# We use ``or`` here because we don't want to use an "empty" value
# from the filename param:
filename = params.get('filename') or filename
ext = splitext(filename)[1]
if not ext:
ext = mimetypes.guess_extension(content_type)
if ext:
filename += ext
if not ext and link.url != response.geturl():
ext = splitext(response.geturl())[1]
if ext:
filename += ext
return filename
# Descended from _download_url() in pip 1.4.1
def pipe_to_file(response, path, size=0):
"""Pull the data off an HTTP response, shove it in a new file, and
show progress.
:arg response: A file-like object to read from
:arg path: The path of the new file
:arg size: The expected size, in bytes, of the download. 0 for
unknown or to suppress progress indication (as for cached
downloads)
"""
def response_chunks(chunk_size):
while True:
chunk = response.read(chunk_size)
if not chunk:
break
yield chunk
print('Downloading %s%s...' % (
self._req.req,
(' (%sK)' % (size / 1000)) if size > 1000 else ''))
progress_indicator = (DownloadProgressBar(max=size).iter if size
else DownloadProgressSpinner().iter)
with open(path, 'wb') as file:
for chunk in progress_indicator(response_chunks(4096), 4096):
file.write(chunk)
url = link.url.split('#', 1)[0]
try:
response = opener(urlparse(url).scheme != 'http').open(url)
except (HTTPError, IOError) as exc:
raise DownloadError(link, exc)
filename = best_filename(link, response)
try:
size = int(response.headers['content-length'])
except (ValueError, KeyError, TypeError):
size = 0
pipe_to_file(response, join(self._temp_path, filename), size=size)
return filename
# Based on req_set.prepare_files() in pip bb2a8428d4aebc8d313d05d590f386fa3f0bbd0f
@memoize # Avoid re-downloading.
def _downloaded_filename(self):
"""Download the package's archive if necessary, and return its
filename.
--no-deps is implied, as we have reimplemented the bits that would
ordinarily do dependency resolution.
"""
# Peep doesn't support requirements that don't come down as a single
# file, because it can't hash them. Thus, it doesn't support editable
# requirements, because pip itself doesn't support editable
# requirements except for "local projects or a VCS url". Nor does it
# support VCS requirements yet, because we haven't yet come up with a
# portable, deterministic way to hash them. In summary, all we support
# is == requirements and tarballs/zips/etc.
# TODO: Stop on reqs that are editable or aren't ==.
# If the requirement isn't already specified as a URL, get a URL
# from an index:
link = self._link() or self._finder.find_requirement(self._req, upgrade=False)
if link:
lower_scheme = link.scheme.lower() # pip lower()s it for some reason.
if lower_scheme == 'http' or lower_scheme == 'https':
file_path = self._download(link)
return basename(file_path)
elif lower_scheme == 'file':
# The following is inspired by pip's unpack_file_url():
link_path = url_to_path(link.url_without_fragment)
if isdir(link_path):
raise UnsupportedRequirementError(
"%s: %s is a directory. So that it can compute "
"a hash, peep supports only filesystem paths which "
"point to files" %
(self._req, link.url_without_fragment))
else:
copy(link_path, self._temp_path)
return basename(link_path)
else:
raise UnsupportedRequirementError(
"%s: The download link, %s, would not result in a file "
"that can be hashed. Peep supports only == requirements, "
"file:// URLs pointing to files (not folders), and "
"http:// and https:// URLs pointing to tarballs, zips, "
"etc." % (self._req, link.url))
else:
raise UnsupportedRequirementError(
"%s: couldn't determine where to download this requirement from."
% (self._req,))
def install(self):
"""Install the package I represent, without dependencies.
Obey typical pip-install options passed in on the command line.
"""
other_args = list(requirement_args(self._argv, want_other=True))
archive_path = join(self._temp_path, self._downloaded_filename())
# -U so it installs whether pip deems the requirement "satisfied" or
# not. This is necessary for GitHub-sourced zips, which change without
# their version numbers changing.
run_pip(['install'] + other_args + ['--no-deps', '-U', archive_path])
@memoize
def _actual_hash(self):
"""Download the package's archive if necessary, and return its hash."""
return hash_of_file(join(self._temp_path, self._downloaded_filename()))
def _project_name(self):
"""Return the inner Requirement's "unsafe name".
Raise ValueError if there is no name.
"""
name = getattr(self._req.req, 'project_name', '')
if name:
return name
raise ValueError('Requirement has no project_name.')
def _name(self):
return self._req.name
def _link(self):
try:
return self._req.link
except AttributeError:
# The link attribute isn't available prior to pip 6.1.0, so fall
# back to the now deprecated 'url' attribute.
return Link(self._req.url) if self._req.url else None
def _url(self):
link = self._link()
return link.url if link else None
@memoize # Avoid re-running expensive check_if_exists().
def _is_satisfied(self):
self._req.check_if_exists()
return (self._req.satisfied_by and
not self._is_always_unsatisfied())
def _class(self):
"""Return the class I should be, spanning a continuum of goodness."""
try:
self._project_name()
except ValueError:
return MalformedReq
if self._is_satisfied():
return SatisfiedReq
if not self._expected_hashes():
return MissingReq
if self._actual_hash() not in self._expected_hashes():
return MismatchedReq
return InstallableReq
@classmethod
def foot(cls):
"""Return the text to be printed once, after all of the errors from
classes of my type are printed.
"""
return ''
class MalformedReq(DownloadedReq):
"""A requirement whose package name could not be determined"""
@classmethod
def head(cls):
return 'The following requirements could not be processed:\n'
def error(self):
return '* Unable to determine package name from URL %s; add #egg=' % self._url()
class MissingReq(DownloadedReq):
"""A requirement for which no hashes were specified in the requirements file"""
@classmethod
def head(cls):
return ('The following packages had no hashes specified in the requirements file, which\n'
'leaves them open to tampering. Vet these packages to your satisfaction, then\n'
'add these "sha256" lines like so:\n\n')
def error(self):
if self._url():
# _url() always contains an #egg= part, or this would be a
# MalformedRequest.
line = self._url()
else:
line = '%s==%s' % (self._name(), self._version())
return '# sha256: %s\n%s\n' % (self._actual_hash(), line)
class MismatchedReq(DownloadedReq):
"""A requirement for which the downloaded file didn't match any of my hashes."""
@classmethod
def head(cls):
return ("THE FOLLOWING PACKAGES DIDN'T MATCH THE HASHES SPECIFIED IN THE REQUIREMENTS\n"
"FILE. If you have updated the package versions, update the hashes. If not,\n"
"freak out, because someone has tampered with the packages.\n\n")
def error(self):
preamble = ' %s: expected' % self._project_name()
if len(self._expected_hashes()) > 1:
preamble += ' one of'
padding = '\n' + ' ' * (len(preamble) + 1)
return '%s %s\n%s got %s' % (preamble,
padding.join(self._expected_hashes()),
' ' * (len(preamble) - 4),
self._actual_hash())
@classmethod
def foot(cls):
return '\n'
class SatisfiedReq(DownloadedReq):
"""A requirement which turned out to be already installed"""
@classmethod
def head(cls):
return ("These packages were already installed, so we didn't need to download or build\n"
"them again. If you installed them with peep in the first place, you should be\n"
"safe. If not, uninstall them, then re-attempt your install with peep.\n")
def error(self):
return ' %s' % (self._req,)
class InstallableReq(DownloadedReq):
"""A requirement whose hash matched and can be safely installed"""
# DownloadedReq subclasses that indicate an error that should keep us from
# going forward with installation, in the order in which their errors should
# be reported:
ERROR_CLASSES = [MismatchedReq, MissingReq, MalformedReq]
def bucket(things, key):
"""Return a map of key -> list of things."""
ret = defaultdict(list)
for thing in things:
ret[key(thing)].append(thing)
return ret
def first_every_last(iterable, first, every, last):
"""Execute something before the first item of iter, something else for each
item, and a third thing after the last.
If there are no items in the iterable, don't execute anything.
"""
did_first = False
for item in iterable:
if not did_first:
did_first = True
first(item)
every(item)
if did_first:
last(item)
def _parse_requirements(path, finder):
try:
# list() so the generator that is parse_requirements() actually runs
# far enough to report a TypeError
return list(parse_requirements(
path, options=EmptyOptions(), finder=finder))
except TypeError:
# session is a required kwarg as of pip 6.0 and will raise
# a TypeError if missing. It needs to be a PipSession instance,
# but in older versions we can't import it from pip.download
# (nor do we need it at all) so we only import it in this except block
from pip.download import PipSession
return list(parse_requirements(
path, options=EmptyOptions(), session=PipSession(), finder=finder))
def downloaded_reqs_from_path(path, argv):
"""Return a list of DownloadedReqs representing the requirements parsed
out of a given requirements file.
:arg path: The path to the requirements file
:arg argv: The commandline args, starting after the subcommand
"""
finder = package_finder(argv)
return [DownloadedReq(req, argv, finder) for req in
_parse_requirements(path, finder)]
def peep_install(argv):
"""Perform the ``peep install`` subcommand, returning a shell status code
or raising a PipException.
:arg argv: The commandline args, starting after the subcommand
"""
output = []
out = output.append
reqs = []
try:
req_paths = list(requirement_args(argv, want_paths=True))
if not req_paths:
out("You have to specify one or more requirements files with the -r option, because\n"
"otherwise there's nowhere for peep to look up the hashes.\n")
return COMMAND_LINE_ERROR
# We're a "peep install" command, and we have some requirement paths.
reqs = list(chain.from_iterable(
downloaded_reqs_from_path(path, argv)
for path in req_paths))
buckets = bucket(reqs, lambda r: r.__class__)
# Skip a line after pip's "Cleaning up..." so the important stuff
# stands out:
if any(buckets[b] for b in ERROR_CLASSES):
out('\n')
printers = (lambda r: out(r.head()),
lambda r: out(r.error() + '\n'),
lambda r: out(r.foot()))
for c in ERROR_CLASSES:
first_every_last(buckets[c], *printers)
if any(buckets[b] for b in ERROR_CLASSES):
out('-------------------------------\n'
'Not proceeding to installation.\n')
return SOMETHING_WENT_WRONG
else:
for req in buckets[InstallableReq]:
req.install()
first_every_last(buckets[SatisfiedReq], *printers)
return ITS_FINE_ITS_FINE
except (UnsupportedRequirementError, DownloadError) as exc:
out(str(exc))
return SOMETHING_WENT_WRONG
finally:
for req in reqs:
req.dispose()
print(''.join(output))
def peep_port(paths):
"""Convert a peep requirements file to one compatble with pip-8 hashing.
Loses comments and tromps on URLs, so the result will need a little manual
massaging, but the hard part--the hash conversion--is done for you.
"""
if not paths:
print('Please specify one or more requirements files so I have '
'something to port.\n')
return COMMAND_LINE_ERROR
for req in chain.from_iterable(
_parse_requirements(path, package_finder(argv)) for path in paths):
hashes = [hexlify(urlsafe_b64decode((hash + '=').encode('ascii'))).decode('ascii')
for hash in hashes_above(*path_and_line(req))]
if not hashes:
print(req.req)
elif len(hashes) == 1:
print('%s --hash=sha256:%s' % (req.req, hashes[0]))
else:
print('%s' % req.req, end='')
for hash in hashes:
print(' \\')
print(' --hash=sha256:%s' % hash, end='')
print()
def main():
"""Be the top-level entrypoint. Return a shell status code."""
commands = {'hash': peep_hash,
'install': peep_install,
'port': peep_port}
try:
if len(argv) >= 2 and argv[1] in commands:
return commands[argv[1]](argv[2:])
else:
# Fall through to top-level pip main() for everything else:
return pip.main()
except PipException as exc:
return exc.error_code
def exception_handler(exc_type, exc_value, exc_tb):
print('Oh no! Peep had a problem while trying to do stuff. Please write up a bug report')
print('with the specifics so we can fix it:')
print()
print('https://github.com/erikrose/peep/issues/new')
print()
print('Here are some particulars you can copy and paste into the bug report:')
print()
print('---')
print('peep:', repr(__version__))
print('python:', repr(sys.version))
print('pip:', repr(getattr(pip, '__version__', 'no __version__ attr')))
print('Command line: ', repr(sys.argv))
print(
''.join(traceback.format_exception(exc_type, exc_value, exc_tb)))
print('---')
if __name__ == '__main__':
try:
exit(main())
except Exception:
exception_handler(*sys.exc_info())
exit(SOMETHING_WENT_WRONG)
UNLIKELY_EOF
# -------------------------------------------------------------------------
set +e
PEEP_OUT=`"$VENV_BIN/python" "$TEMP_DIR/peep.py" install -r "$TEMP_DIR/letsencrypt-auto-requirements.txt"`
PEEP_STATUS=$?
set -e
rm -rf "$TEMP_DIR"
if [ "$PEEP_STATUS" != 0 ]; then
# Report error. (Otherwise, be quiet.)
echo "Had a problem while downloading and verifying Python packages:"
echo "$PEEP_OUT"
exit 1
fi
fi
echo "Requesting root privileges to run letsencrypt..."
echo " " $SUDO "$VENV_BIN/letsencrypt" "$@"
$SUDO "$VENV_BIN/letsencrypt" "$@"
else
# Phase 1: Upgrade letsencrypt-auto if neceesary, then self-invoke.
#
# Each phase checks the version of only the thing it is responsible for
# upgrading. Phase 1 checks the version of the latest release of
# letsencrypt-auto (which is always the same as that of the letsencrypt
# package). Phase 2 checks the version of the locally installed letsencrypt.
if [ ! -f "$VENV_BIN/letsencrypt" ]; then
# If it looks like we've never bootstrapped before, bootstrap:
Bootstrap
fi
if [ "$OS_PACKAGES_ONLY" = 1 ]; then
echo "OS packages installed."
exit 0
fi
echo "Checking for new version..."
TEMP_DIR=$(TempDir)
# ---------------------------------------------------------------------------
cat << "UNLIKELY_EOF" > "$TEMP_DIR/fetch.py"
"""Do downloading and JSON parsing without additional dependencies. ::
# Print latest released version of LE to stdout:
python fetch.py --latest-version
# Download letsencrypt-auto script from git tag v1.2.3 into the folder I'm
# in, and make sure its signature verifies:
python fetch.py --le-auto-script v1.2.3
On failure, return non-zero.
"""
from distutils.version import LooseVersion
from json import loads
from os import devnull, environ
from os.path import dirname, join
import re
from subprocess import check_call, CalledProcessError
from sys import argv, exit
from urllib2 import build_opener, HTTPHandler, HTTPSHandler, HTTPError
PUBLIC_KEY = environ.get('LE_AUTO_PUBLIC_KEY', """-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6MR8W/galdxnpGqBsYbq
OzQb2eyW15YFjDDEMI0ZOzt8f504obNs920lDnpPD2/KqgsfjOgw2K7xWDJIj/18
xUvWPk3LDkrnokNiRkA3KOx3W6fHycKL+zID7zy+xZYBuh2fLyQtWV1VGQ45iNRp
9+Zo7rH86cdfgkdnWTlNSHyTLW9NbXvyv/E12bppPcEvgCTAQXgnDVJ0/sqmeiij
n9tTFh03aM+R2V/21h8aTraAS24qiPCz6gkmYGC8yr6mglcnNoYbsLNYZ69zF1XH
cXPduCPdPdfLlzVlKK1/U7hkA28eG3BIAMh6uJYBRJTpiGgaGdPd7YekUB8S6cy+
CQIDAQAB
-----END PUBLIC KEY-----
""")
class ExpectedError(Exception):
"""A novice-readable exception that also carries the original exception for
debugging"""
class HttpsGetter(object):
def __init__(self):
"""Build an HTTPS opener."""
# Based on pip 1.4.1's URLOpener
# This verifies certs on only Python >=2.7.9.
self._opener = build_opener(HTTPSHandler())
# Strip out HTTPHandler to prevent MITM spoof:
for handler in self._opener.handlers:
if isinstance(handler, HTTPHandler):
self._opener.handlers.remove(handler)
def get(self, url):
"""Return the document contents pointed to by an HTTPS URL.
If something goes wrong (404, timeout, etc.), raise ExpectedError.
"""
try:
return self._opener.open(url).read()
except (HTTPError, IOError) as exc:
raise ExpectedError("Couldn't download %s." % url, exc)
def write(contents, dir, filename):
"""Write something to a file in a certain directory."""
with open(join(dir, filename), 'w') as file:
file.write(contents)
def latest_stable_version(get):
"""Return the latest stable release of letsencrypt."""
metadata = loads(get(
environ.get('LE_AUTO_JSON_URL',
'https://pypi.python.org/pypi/letsencrypt/json')))
# metadata['info']['version'] actually returns the latest of any kind of
# release release, contrary to https://wiki.python.org/moin/PyPIJSON.
# The regex is a sufficient regex for picking out prereleases for most
# packages, LE included.
return str(max(LooseVersion(r) for r
in metadata['releases'].iterkeys()
if re.match('^[0-9.]+$', r)))
def verified_new_le_auto(get, tag, temp_dir):
"""Return the path to a verified, up-to-date letsencrypt-auto script.
If the download's signature does not verify or something else goes wrong
with the verification process, raise ExpectedError.
"""
le_auto_dir = environ.get(
'LE_AUTO_DIR_TEMPLATE',
'https://raw.githubusercontent.com/letsencrypt/letsencrypt/%s/'
'letsencrypt-auto-source/') % tag
write(get(le_auto_dir + 'letsencrypt-auto'), temp_dir, 'letsencrypt-auto')
write(get(le_auto_dir + 'letsencrypt-auto.sig'), temp_dir, 'letsencrypt-auto.sig')
write(PUBLIC_KEY, temp_dir, 'public_key.pem')
try:
with open(devnull, 'w') as dev_null:
check_call(['openssl', 'dgst', '-sha256', '-verify',
join(temp_dir, 'public_key.pem'),
'-signature',
join(temp_dir, 'letsencrypt-auto.sig'),
join(temp_dir, 'letsencrypt-auto')],
stdout=dev_null,
stderr=dev_null)
except CalledProcessError as exc:
raise ExpectedError("Couldn't verify signature of downloaded "
"letsencrypt-auto.", exc)
def main():
get = HttpsGetter().get
flag = argv[1]
try:
if flag == '--latest-version':
print latest_stable_version(get)
elif flag == '--le-auto-script':
tag = argv[2]
verified_new_le_auto(get, tag, dirname(argv[0]))
except ExpectedError as exc:
print exc.args[0], exc.args[1]
return 1
else:
return 0
if __name__ == '__main__':
exit(main())
UNLIKELY_EOF
# ---------------------------------------------------------------------------
DeterminePythonVersion
REMOTE_VERSION=`"$LE_PYTHON" "$TEMP_DIR/fetch.py" --latest-version`
if [ "$LE_AUTO_VERSION" != "$REMOTE_VERSION" ]; then
echo "Upgrading letsencrypt-auto $LE_AUTO_VERSION to $REMOTE_VERSION..."
# Now we drop into Python so we don't have to install even more
# dependencies (curl, etc.), for better flow control, and for the option of
# future Windows compatibility.
"$LE_PYTHON" "$TEMP_DIR/fetch.py" --le-auto-script "v$REMOTE_VERSION"
# Install new copy of letsencrypt-auto. This preserves permissions and
# ownership from the old copy.
# TODO: Deal with quotes in pathnames.
echo "Replacing letsencrypt-auto..."
echo " " $SUDO cp "$TEMP_DIR/letsencrypt-auto" "$0"
$SUDO cp "$TEMP_DIR/letsencrypt-auto" "$0"
# TODO: Clean up temp dir safely, even if it has quotes in its path.
rm -rf "$TEMP_DIR"
fi # should upgrade
"$0" --no-self-upgrade "$@"
fi
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