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VYSOKE´ UCˇ ENI´ TECHNICKE´ V BRNEˇ BRNO UNIVERSITY OF TECHNOLOGY FAKULTA INFORMACˇ NI´CH TECHNOLOGII´ U´ STAV INFORMACˇ NI´CH SYSTE´ MU˚ FACULTY OF INFORMATION TECHNOLOGY DEPARTMENT OF INFORMATION SYSTEMS SOCIAL NETWORK INTEGRATION INTO AN INFOR- MATION PORTAL BAKALA´ Rˇ SKA´ PRA´ CE BACHELOR’S THESIS AUTOR PRA´ CE DRAHOMI´RA HERRMANNOVA´ AUTHOR BRNO 2010 VYSOKE´ UCˇ ENI´ TECHNICKE´ V BRNEˇ BRNO UNIVERSITY OF TECHNOLOGY FAKULTA INFORMACˇ NI´CH TECHNOLOGII´ U´ STAV INFORMACˇ NI´CH SYSTE´ MU˚ FACULTY OF INFORMATION TECHNOLOGY DEPARTMENT OF INFORMATION SYSTEMS INTEGRACE SOCIA´ LNI´CH SI´TI´ DO INFORMACˇ NI´HO PORTA´ LU SOCIAL NETWORK INTEGRATION INTO AN INFORMATION PORTAL BAKALA´ Rˇ SKA´ PRA´ CE BACHELOR’S THESIS AUTOR PRA´ CE DRAHOMI´RA HERRMANNOVA´ AUTHOR VEDOUCI´ PRA´ CE Ing. RADEK BURGET, Ph.D. SUPERVISOR BRNO 2010 Abstrakt Cílem bakalářské práce Integrace sociálních sítí do informačního portálu“ bylo vytvoření ” portálu, který by předvedl způsoby integrace současných sociálních sítí na internetu do jednoho portálu. Práce obsahuje seznámení se základními pojmy v této oblasti, jako je Social Web, Web 2.0 a sociální sítě. Dále představuje jednotlivé sociální sítě, které byly intergovány do portálu, a technologie a standardy k tomu použité - OpenID, OAuth a OpenSocial. Dále práce popisuje také jednotlivé etapy vývoje zadaného webového portálu. V závěru práce je také shrnutí a zhodnocení výsledků a zamyšlení nad možnými rozšířeními výsledného portálu. Abstract The task of the Bachelor’s Thesis Social Network Integration into an Information Portal“ ” was creating a web portal, which would demonstrate technical possibilities of integration of current social networks on the internet into one portal. The thesis contains introduction of basic concepts in this field - Social Web, Web 2.0 and Social Networking. Furthermore it introduces the individual social networks which were integrated in the portal, and the technologies and standards used for the integration - OpenID, OAuth and OpenSocial. It also describes all stages of development of the portal. In the end of the work, there is a summary and evaluation of the results of the work and discussion of the possible future extensions of the portal. Klíčová slova Socisl Web, Web 2.0, Sociální sítě, Facebook, MySpace, Twitter, Google Buzz, OpenID, OAuth, OpenSocial Keywords Social Web, Web 2.0, Social Networking, Facebook, MySpace, Twitter, Google Buzz, OpenID, OAuth, OpenSocial Citace Drahomíra Herrmannová: Social Network Integration into an Information Portal, bakalářská práce, Brno, FIT VUT v Brně, 2010 Social Network Integration into an Information Por- tal Prohlášení Prohlašuji, že jsem tuto bakalářskou práci vypracovala samostatně pod vedením pana Ing. Radka Burgeta, PhD., a že jsem uvedla všechny literární prameny a publikace, ze kterých jsem čerpala. ....................... Drahomíra Herrmannová July 29, 2010 Poděkování I would like to thank my supervisor from BUT FIT, Ing. Radek Burget, PhD., for his pedagogical and professional guidance, which helped me to successfully finish my project. I would also like to thank my supervisors from Universidade de Trás-os-Montes e Alto Douro, Benjamim Fonseca, PhD. and Hugo Paredes, PhD., for their constant comments of my work and for their professional advice, which apart from finishing my work also helped me with developing my skills and learning lots of new things. Their help was very important during all the stages of development of my project. I cannot also forget my family, who was supporting me a lot during my work at UTAD, for that I would like to thank them a lot. c Drahomíra Herrmannová, 2010. Tato práce vznikla jako školní dílo na Vysokém učení technickém v Brně, Fakultě in- formačních technologií. Práce je chráněna autorským zákonem a její užití bez udělení oprávnění autorem je nezákonné, s výjimkou zákonem definovaných případů. Contents 1 Introduction 3 2 Project aims 4 2.1 Common Interface ................................ 4 3 Social Web 5 3.1 Definition of the term Social Web ........................ 5 3.2 Web 2.0 ...................................... 6 3.2.1 Web 2.0 and socialisation ........................ 6 3.3 Different kinds of Internet socialisation ..................... 7 3.4 Future of the Social Web ............................. 8 4 Social Networking 10 4.1 Social Networking concepts ........................... 10 4.2 Application domains ............................... 11 4.3 Issues of social networking ............................ 11 4.3.1 Privacy and information security .................... 11 4.3.2 Spamming ................................. 12 4.3.3 Time consumption ............................ 12 4.3.4 Other issues ................................ 12 4.4 Popular social networking sites ......................... 12 5 Standards in Social Web 14 5.1 OpenID ...................................... 14 5.1.1 Introduction to the standard ...................... 14 5.1.2 Protocol overview ............................ 15 5.1.3 OpenID extensions ............................ 15 5.2 OAuth ....................................... 16 5.2.1 Introduction to OAuth .......................... 16 5.2.2 Protocol overview ............................ 16 5.2.3 Signing the requests ........................... 16 5.3 OpenSocial .................................... 17 5.4 W3C Social Web Incubator Group ....................... 17 5.5 Other standards ................................. 18 6 Integration of the social networking sites into a portal 19 6.1 Social networking sites APIs ........................... 19 6.1.1 REST architecture ............................ 19 1 6.2 Facebook ..................................... 20 6.2.1 Description of the network ........................ 20 6.2.2 Facebook Graph API .......................... 20 6.2.3 Social plugins ............................... 21 6.3 MySpace ...................................... 21 6.3.1 Description of the network ........................ 21 6.3.2 MySpace REST API ........................... 21 6.4 Twitter ...................................... 21 6.4.1 Description of the network ........................ 22 6.4.2 Twitter API ............................... 22 6.5 Google Buzz .................................... 22 6.5.1 Description of the network ........................ 22 6.5.2 Google Buzz API ............................. 22 7 Analysis 23 7.1 Project assignment ................................ 23 7.1.1 Common API for social networking applications ........... 24 7.2 Availability of resources ............................. 24 8 Design 25 8.1 Project assignment - Information portal with the API layer ......... 25 8.2 Functionality of the application ......................... 26 8.3 Layers of the application ............................. 26 8.4 Layers of the API ................................. 27 8.5 Design of the database .............................. 27 8.6 Connecting user accounts with third party login ................ 28 9 Implementation 30 9.1 Preparation .................................... 30 9.2 Application layers ................................ 30 9.2.1 Database layer .............................. 30 9.2.2 Common API ............................... 31 9.2.3 Application Services ........................... 33 9.2.4 User interface ............................... 34 9.3 Other implementation details .......................... 34 10 Testing 35 10.1 Functionality of the application ......................... 35 10.2 Google Analytics ................................. 36 10.3 Usage of the API in a different project ..................... 36 11 Conclusion 37 A Manual 40 A.1 Portal installation ................................ 40 A.2 API usage ..................................... 41 B CD content 42 2 Chapter 1 Introduction In last years a new trend has appeared on the Internet - something what we call social networking. People are creating online groups and communities, form online friendships and willingly share personal information about themselves. Web is becoming more and more social as number of social networking websites’ users constantly grows. Every day there are lots of new standards and technologies used for creating social networking applications appearing. This project’s aim was to create a web portal, which would demonstrate integration of some current social networking services and also some most important standards and technologies which are related to social networking applications and social networking in general. It was also required to integrate these applications in a form of a common interface, which would be then usable in any web project. This project can be divided into two main parts. First part focuses on theoretical background of the topic and describes the concept of social networking, it’s impact on the rest of the web content and standards which are used in this area, while the second part of the project describes the different phases of the implementation of the portal. At the beginning of the theoretical part of the project, the term social web1 is being introduced. The reader can learn something about the significance of social networking for the Web 2.0, about different kinds of socialisation, which exist and are used nowadays, but also about possible future of social web. After this brief introduction to the topic, there is a part devoted to introduction of social networking, description of the social networking applications and their APIs, which were selected for the integration, and description of some standards used in social networking applications.
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