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tinmop/src/os-utils.lisp

204 lines
7.7 KiB
Common Lisp

;; tinmop: an humble gemini and pleroma client
;; Copyright (C) 2020 cage
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
(in-package :os-utils)
(alexandria:define-constant +proc-file-system+
(concatenate 'string filesystem-utils:*directory-sep*
"proc")
:test #'string=)
(alexandria:define-constant +proc-cpuinfo+
(concatenate 'string +proc-file-system+ filesystem-utils:*directory-sep*
"cpuinfo")
:test #'string=)
(alexandria:define-constant +ssl-cert-name+ "cert.pem" :test #'string=)
(alexandria:define-constant +ssl-key-name+ "key" :test #'string=)
(declaim (ftype (function () fixnum) cpu-number))
(defun cpu-number ()
#+windows (the fixnum 1)
#-windows
(with-open-file (stream +proc-cpuinfo+ :direction :input
:if-does-not-exist :error)
(do ((line (read-line stream nil nil) (read-line stream nil nil))
(cpu-count 0))
((not line) (the fixnum cpu-count))
(when (cl-ppcre:scan "^processor" line)
(incf cpu-count)))))
(defun xdg-open (file)
(let ((cmd-line (format nil "~a '~a'" +xdg-open-bin+ file)))
#+debug-mode
(misc:dbg "xdg-open: ~a" cmd-line)
(uiop:launch-program cmd-line :output nil)))
(defun getenv (name)
(nix:getenv name))
(defun default-temp-dir ()
(or (os-utils:getenv "TMPDIR")
"/tmp/"))
(defun pwd ()
(os-utils:getenv "PWD"))
(defun external-editor ()
(let* ((editor (or (swconf:external-editor)
(and (text-utils:string-not-empty-p (getenv "VISUAL"))
(getenv "VISUAL"))
(and (text-utils:string-not-empty-p (getenv "EDITOR"))
(getenv "EDITOR"))
constants:+standard-editor+))
(space (cl-ppcre:scan "\\s" editor)))
(if space
(let ((exe (subseq editor 0 space))
(args (subseq editor (1+ space))))
(values exe args))
(values editor nil))))
(defun run-external-program (program args
&key
(wait t)
search
#-win32 pty
input
output
(error :output))
#-win32 (sb-ext:run-program program
args
:wait wait
:search search
:pty pty
:input input
:output output
:error error)
#+win32 (sb-ext:run-program program
args
:wait wait
:search search
:input input
:output output
:error error))
(defun process-exit-code (process)
(sb-ext:process-exit-code process))
(defun process-exit-success-p (process)
(= (process-exit-code process) 0))
(defun open-with-editor (file)
(multiple-value-bind (exe args)
(external-editor)
(let ((actual-args (if args
(text-utils:split-words args)
nil)))
(run-external-program exe
(append actual-args
(list file))
:search t
:wait t
:input t
:output t
:error t))))
(defun exit-program (&optional (exit-code 0))
(uiop:quit exit-code))
(defun user-cache-dir (&rest more)
(fs:pathname->namestring (apply #'uiop:xdg-cache-home
(append (list +program-name+) more))))
(defun cached-file-path (filename)
(text-utils:strcat (user-cache-dir) fs:*directory-sep* filename))
(defun generate-ssl-certificate (outdir)
(let* ((cert-file (text-utils:strcat outdir fs:*directory-sep* +ssl-cert-name+))
(key-file (text-utils:strcat outdir fs:*directory-sep* +ssl-key-name+))
(cmd-args (format nil
(text-utils:strcat "req -new -nodes -x509 -days 365 -batch "
"-keyout ~a -outform PEM -out ~a")
key-file
cert-file)))
(run-external-program +openssl-bin+
(text-utils:split-words cmd-args)
:output nil
:error :output)
(values cert-file key-file)))
(defun send-to-pipe (data program-and-args)
(croatoan:end-screen)
(with-input-from-string (stream data)
(let ((command-line-splitted (text-utils:split-words program-and-args)))
(run-external-program (first command-line-splitted)
(rest command-line-splitted)
:search t
:wait t
:input stream
:output t
:error t))))
(defun open-link-with-program (program-and-args link)
(let* ((command-line-splitted (text-utils:split-words program-and-args))
(program (first command-line-splitted))
(args (append (rest command-line-splitted)
(list link))))
(run-external-program program
args
:search t
:wait nil
:output nil
:error :output)))
(defun open-resource-with-external-program (resource give-focus-to-message-window)
(let ((program (swconf:link-regex->program-to-use resource)))
(if program
(if (swconf:use-tinmop-as-external-program-p program)
(gemini-viewer:load-gemini-url resource
:give-focus-to-message-window
give-focus-to-message-window)
(os-utils:open-link-with-program program resource))
(os-utils:xdg-open resource))))
(defun unzip-file (zip-file destination-dir)
(cond
((not (fs:file-exists-p zip-file))
(error (format nil (_ "File ~s does not exists"))))
((not (fs:directory-exists-p destination-dir))
(error (format nil (_ "Destination directory ~s does not exists"))))
(t
(run-external-program +unzip-bin+
(list "-o" zip-file "-d" destination-dir)
:search t
:wait t
:output nil
:error :output))))
(defun unzip-single-file (zip-file file-entry)
(with-output-to-string (stream)
(let* ((process (run-external-program +unzip-bin+
(list "-p" zip-file file-entry)
:search t
:wait t
:output stream
:error :output))
(exit-code (sb-ext:process-exit-code process)))
(when (/= exit-code 0)
(error (format nil "File ~s extraction from ~s failed" file-entry zip-file))))))