How to customise the title page

Question

I want to customise the title page like the format in the following picture. This title page is a part of the smfart.cls, which I will attach to below. Now I just want to use that title page formatting rather than the entire class file, since some ordinary packages are limited when using the class file smfart.cls. My question is: Is it possible to extract some codes from the given smfart.cls so as to form a package file, and then the desired title page (as displayed in following picture) formatting could be realised?

Because of the limitation of characters I just attach the link of the class file smfart.cls. See http://smf4.emath.fr/Publications/Formats/

Open the SMF link above and look at the head title Classes et styles LaTeX 2e, and then click on the item smfart.cls under that head title, you can get the whole code of the class file.

My own article sample is as follows:

\documentclass[a4paper,twoside,11pt]{article}
\usepackage{blindtext}
%\usepackage{showframe}
\usepackage{tocbibind}
\usepackage{amssymb,amsmath,amsthm}
\usepackage{tocloft} %customize title page
\usepackage[headheight=15pt,top=2.54cm,bottom=2.54cm,left=3.81cm,right=3.54cm]{geometry} % 1inch=2.54cm

\usepackage{fancyhdr} %should be followed with the package `geometry'
\pagestyle{fancy}
\fancyhf{} %activer the `fancy' page-style
 \fancyhead[CO]{My article sample}%It's the `aritcle name' centerd on every odd-side page.
 \fancyhead[CE]{The Author}%It's the `author name' centerd on every even-side page.
 \fancyhead[LE,RO]{\oldstylenums{\thepage}}%It's the `page number' on the left of even-side page and on the right of odd-side page.
 \renewcommand{\headrulewidth}{0pt}%modify the width of `header line' to be zero.

%----------------------------------------------------------------------------------
% redefine the page style `plain' to kepp the page style of `table of contents' in accordance with the style of entire document.
\fancypagestyle{plain}{%
\fancyhf{} % clear all header and footer fields 
\fancyhead[CO]{My article sample}
\fancyhead[CE]{The Author}
\fancyhead[LE,RO]{\oldstylenums{\thepage}}}
%----------------------------------------------------------------------------------


\usepackage{titlesec} %[noindentafter] customize `sectioning' title
\titleformat{\section}[block]{\filcenter\Large\bfseries}{\oldstylenums{\thesection}.}{.5em}{}
\titlespacing*{\section}{0pt}{2\baselineskip}{1\baselineskip} % This command together with the command above setup the centering of `section' title with a `period' following the section number, i.e. `1. Introduction' in the center place before the first paragraph.

\usepackage{indentfirst}
\setlength{\parindent}{15pt} % customize the indent of first line of every paragraph.
\setlength{\parskip}{5pt}    % skip of paragraph 


%----------------------------------------------------------------------------------
 \usepackage{ifthen} %show font of current document
 \makeatletter
 \newcommand{\showfont}{encoding: \f@encoding{},
   family: \f@family{},
   series: \f@series{},
   shape: \f@shape{},
   size: \f@size{}
 }
 \makeatother
%----------------------------------------------------------------------------------

%\renewcommand{\cfttoctitlefont}{\normalsize\bfseries}
\renewcommand{\cfttoctitlefont}{\hfill\normalsize\bfseries} %% This command together with
\renewcommand{\cftaftertoctitle}{\hfill}                    %%  this command give a centered normalized bold title
%\renewcommand{\cftsecdotsep}{1} % setup doted header between `section' title entry and page number, as for the subsection, this setup is default.
\renewcommand{\cftsubsecdotsep}{1} 
\renewcommand{\cftsubsubsecdotsep}{1} % The spacing between any dots in the leader


\cftsetindents{section}{3em}{1.2em}
\cftsetindents{subsection}{4.4em}{1.9em}
\cftsetindents{subsubsection}{6.5em}{2.6em} %sets the <entry>'s indent to the length <indent> %and its numwidth to the length <numwidth>.

%\cftsetrmarg{5em} %fault value=2.55em
\cftsetpnumwidth{2em}% default value is 1.55em
%\makeatletter \renewcommand{\@tocrmarg}{5em} \makeatother
\renewcommand{\cftpnumalign}{r}

\renewcommand{\cftsecaftersnum}{.} %To add a symbol `period' after the section number in `numbering box'
%\renewcommand{\cftsecpresnum}{\S}  %To put something (e.g., a symbol) before the section number in `numbering box'
\renewcommand{\cftaftertoctitle}{\hfill\mbox{}}


\let\endtitlepage\relax  %Preventing page break after title page. Note: `\let\newpage\relax' may also avoid following page break.
\addcontentsline{toc}{section}{Introduction}
\setcounter{tocdepth}{3} %determine the displaying level on table of content


\tolerance=400
\pretolerance=200

\begin{document}

\begin{titlepage}
%\clearpage
\noindent\centering\rule{14cm}{0.4pt}\hfill

\vspace*{4em}{\centering\bf %9em, \usefont{OT1}{cmr}{m}{it} 
My article sample\par}

\vspace{2em}
{\hfill\centering The Author\hfill} %\hfill \itshape A story of love, hate and fame

\vspace{2em}
{\hfill\centering\rule{3.5cm}{0.4pt}\hfill}

\vskip 1cm
\setlength{\parskip}{\smallskipamount}

\begin{center}
\begin{minipage}{0.81\textwidth}
{\itshape\bfseries Abstract. ---} \hspace*{0.3cm} \small The classes \texttt{smfbook} and \texttt{smfart} are intended to help the preparation in \LaTeX of the monographs and articles to be published by the Soci\'et\'e ma\-th\'e\-ma\-ti\-que de France. They require \LaTeXe\ and the \AmS-\LaTeX\ packages.\par
This paper exhibits the main features of these classes.
\end{minipage}

\vspace{0.5\baselineskip}

\begin{minipage}{0.81\textwidth}
{\itshape\bfseries R\'esum\'e. ---} \hspace*{0.3cm} \small Les classes \texttt{smfbook} et \texttt{smfart} sont destin\'ees \`a la composition en \LaTeX\ des monographies et articles \'edit\'es par la Soci\'et\'e ma\-th\'e\-ma\-ti\-que de France. Elles n\'ecessitent \LaTeXe\ ainsi que les macros \LaTeX\ de l'AMS.\par
Ce document en pr\'esente l'utilisation.
\end{minipage}
\end{center}
%\thispagestyle{empty} %this command remove the `header' and `footer' of the current page, i.e. the current `page style' is `empty'. Thus the page number certainly does not appear on this page.
\end{titlepage}


\section*{Introduction}
\blindtext \par
\blindtext \par
\blindtext \par



{\clearpage
%\setlength{\cftbeforetoctitleskip}{2cm}% the distance before the content symbol `contents'
\setlength{\cftbeforesecskip}{3pt} % the vertical separation between two same level items---i.e. two `sections', or two `subsection'
%\addcontentsline{toc}{section}{Introduction}
% \addcontentsline{toc}{section}{Contents} % This task is completed by the package `tocbibind'. This package could also add the the bibliography into the table of contents
\tableofcontents
%\thispagestyle{empty} %this command remove the `header' and `footer' of the current page, i.e. the current `page style' is `empty'. Thus the page number certainly does not appear on this page.%
\thispagestyle{plain} %kepp the page style of `table of contents' in accordance with the style of entire document.
%\setcounter{page}{0}  %this command can remove the page number on title-page
\clearpage}

%\showfont

\section{Test section}
\blindtext
\subsection{Test subsection}
\blindtext
\subsubsection{Test subsubsection}
\subsection{Test subsection}
\blindtext

\section{Test section two}
\blindtext
\subsection{Test subsection}
\blindtext
\subsection{Test subsection}
\blindtext
\subsubsection{Test subsubsection}
\subsection{Test subsection}
\blindtext
\end{document}