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GNU AFFERO GENERAL PUBLIC LICENSE
|
||||
Version 3, 19 November 2007
|
||||
|
||||
Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
|
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Everyone is permitted to copy and distribute verbatim copies
|
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of this license document, but changing it is not allowed.
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||||
|
||||
Preamble
|
||||
|
||||
The GNU Affero General Public License is a free, copyleft license for
|
||||
software and other kinds of works, specifically designed to ensure
|
||||
cooperation with the community in the case of network server software.
|
||||
|
||||
The licenses for most software and other practical works are designed
|
||||
to take away your freedom to share and change the works. By contrast,
|
||||
our General Public Licenses are intended to guarantee your freedom to
|
||||
share and change all versions of a program--to make sure it remains free
|
||||
software for all its users.
|
||||
|
||||
When we speak of free software, we are referring to freedom, not
|
||||
price. Our General Public Licenses are designed to make sure that you
|
||||
have the freedom to distribute copies of free software (and charge for
|
||||
them if you wish), that you receive source code or can get it if you
|
||||
want it, that you can change the software or use pieces of it in new
|
||||
free programs, and that you know you can do these things.
|
||||
|
||||
Developers that use our General Public Licenses protect your rights
|
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with two steps: (1) assert copyright on the software, and (2) offer
|
||||
you this License which gives you legal permission to copy, distribute
|
||||
and/or modify the software.
|
||||
|
||||
A secondary benefit of defending all users' freedom is that
|
||||
improvements made in alternate versions of the program, if they
|
||||
receive widespread use, become available for other developers to
|
||||
incorporate. Many developers of free software are heartened and
|
||||
encouraged by the resulting cooperation. However, in the case of
|
||||
software used on network servers, this result may fail to come about.
|
||||
The GNU General Public License permits making a modified version and
|
||||
letting the public access it on a server without ever releasing its
|
||||
source code to the public.
|
||||
|
||||
The GNU Affero General Public License is designed specifically to
|
||||
ensure that, in such cases, the modified source code becomes available
|
||||
to the community. It requires the operator of a network server to
|
||||
provide the source code of the modified version running there to the
|
||||
users of that server. Therefore, public use of a modified version, on
|
||||
a publicly accessible server, gives the public access to the source
|
||||
code of the modified version.
|
||||
|
||||
An older license, called the Affero General Public License and
|
||||
published by Affero, was designed to accomplish similar goals. This is
|
||||
a different license, not a version of the Affero GPL, but Affero has
|
||||
released a new version of the Affero GPL which permits relicensing under
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||||
this license.
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||||
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||||
The precise terms and conditions for copying, distribution and
|
||||
modification follow.
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|
||||
TERMS AND CONDITIONS
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|
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0. Definitions.
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|
||||
"This License" refers to version 3 of the GNU Affero General Public License.
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"Copyright" also means copyright-like laws that apply to other kinds of
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works, such as semiconductor masks.
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|
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"The Program" refers to any copyrightable work licensed under this
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To "modify" a work means to copy from or adapt all or part of the work
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exact copy. The resulting work is called a "modified version" of the
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A "covered work" means either the unmodified Program or a work based
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on the Program.
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|
||||
To "propagate" a work means to do anything with it that, without
|
||||
permission, would make you directly or secondarily liable for
|
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infringement under applicable copyright law, except executing it on a
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computer or modifying a private copy. Propagation includes copying,
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distribution (with or without modification), making available to the
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public, and in some countries other activities as well.
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|
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To "convey" a work means any kind of propagation that enables other
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|
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An interactive user interface displays "Appropriate Legal Notices"
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the interface presents a list of user commands or options, such as a
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|
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|
||||
1. Source Code.
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|
||||
The "source code" for a work means the preferred form of the work
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for making modifications to it. "Object code" means any non-source
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||||
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A "Standard Interface" means an interface that either is an official
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standard defined by a recognized standards body, or, in the case of
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||||
interfaces specified for a particular programming language, one that
|
||||
is widely used among developers working in that language.
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|
||||
The "System Libraries" of an executable work include anything, other
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than the work as a whole, that (a) is included in the normal form of
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packaging a Major Component, but which is not part of that Major
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|
||||
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|
||||
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|
||||
"Major Component", in this context, means a major essential component
|
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The "Corresponding Source" for a work in object code form means all
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|
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||||
|
||||
The Corresponding Source need not include anything that users
|
||||
can regenerate automatically from other parts of the Corresponding
|
||||
Source.
|
||||
|
||||
The Corresponding Source for a work in source code form is that
|
||||
same work.
|
||||
|
||||
2. Basic Permissions.
|
||||
|
||||
All rights granted under this License are granted for the term of
|
||||
copyright on the Program, and are irrevocable provided the stated
|
||||
conditions are met. This License explicitly affirms your unlimited
|
||||
permission to run the unmodified Program. The output from running a
|
||||
covered work is covered by this License only if the output, given its
|
||||
content, constitutes a covered work. This License acknowledges your
|
||||
rights of fair use or other equivalent, as provided by copyright law.
|
||||
|
||||
You may make, run and propagate covered works that you do not
|
||||
convey, without conditions so long as your license otherwise remains
|
||||
in force. You may convey covered works to others for the sole purpose
|
||||
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|
||||
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|
||||
the terms of this License in conveying all material for which you do
|
||||
not control copyright. Those thus making or running the covered works
|
||||
for you must do so exclusively on your behalf, under your direction
|
||||
and control, on terms that prohibit them from making any copies of
|
||||
your copyrighted material outside their relationship with you.
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||||
|
||||
Conveying under any other circumstances is permitted solely under
|
||||
the conditions stated below. Sublicensing is not allowed; section 10
|
||||
makes it unnecessary.
|
||||
|
||||
3. Protecting Users' Legal Rights From Anti-Circumvention Law.
|
||||
|
||||
No covered work shall be deemed part of an effective technological
|
||||
measure under any applicable law fulfilling obligations under article
|
||||
11 of the WIPO copyright treaty adopted on 20 December 1996, or
|
||||
similar laws prohibiting or restricting circumvention of such
|
||||
measures.
|
||||
|
||||
When you convey a covered work, you waive any legal power to forbid
|
||||
circumvention of technological measures to the extent such circumvention
|
||||
is effected by exercising rights under this License with respect to
|
||||
the covered work, and you disclaim any intention to limit operation or
|
||||
modification of the work as a means of enforcing, against the work's
|
||||
users, your or third parties' legal rights to forbid circumvention of
|
||||
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|
||||
|
||||
4. Conveying Verbatim Copies.
|
||||
|
||||
You may convey verbatim copies of the Program's source code as you
|
||||
receive it, in any medium, provided that you conspicuously and
|
||||
appropriately publish on each copy an appropriate copyright notice;
|
||||
keep intact all notices stating that this License and any
|
||||
non-permissive terms added in accord with section 7 apply to the code;
|
||||
keep intact all notices of the absence of any warranty; and give all
|
||||
recipients a copy of this License along with the Program.
|
||||
|
||||
You may charge any price or no price for each copy that you convey,
|
||||
and you may offer support or warranty protection for a fee.
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||||
|
||||
5. Conveying Modified Source Versions.
|
||||
|
||||
You may convey a work based on the Program, or the modifications to
|
||||
produce it from the Program, in the form of source code under the
|
||||
terms of section 4, provided that you also meet all of these conditions:
|
||||
|
||||
a) The work must carry prominent notices stating that you modified
|
||||
it, and giving a relevant date.
|
||||
|
||||
b) The work must carry prominent notices stating that it is
|
||||
released under this License and any conditions added under section
|
||||
7. This requirement modifies the requirement in section 4 to
|
||||
"keep intact all notices".
|
||||
|
||||
c) You must license the entire work, as a whole, under this
|
||||
License to anyone who comes into possession of a copy. This
|
||||
License will therefore apply, along with any applicable section 7
|
||||
additional terms, to the whole of the work, and all its parts,
|
||||
regardless of how they are packaged. This License gives no
|
||||
permission to license the work in any other way, but it does not
|
||||
invalidate such permission if you have separately received it.
|
||||
|
||||
d) If the work has interactive user interfaces, each must display
|
||||
Appropriate Legal Notices; however, if the Program has interactive
|
||||
interfaces that do not display Appropriate Legal Notices, your
|
||||
work need not make them do so.
|
||||
|
||||
A compilation of a covered work with other separate and independent
|
||||
works, which are not by their nature extensions of the covered work,
|
||||
and which are not combined with it such as to form a larger program,
|
||||
in or on a volume of a storage or distribution medium, is called an
|
||||
"aggregate" if the compilation and its resulting copyright are not
|
||||
used to limit the access or legal rights of the compilation's users
|
||||
beyond what the individual works permit. Inclusion of a covered work
|
||||
in an aggregate does not cause this License to apply to the other
|
||||
parts of the aggregate.
|
||||
|
||||
6. Conveying Non-Source Forms.
|
||||
|
||||
You may convey a covered work in object code form under the terms
|
||||
of sections 4 and 5, provided that you also convey the
|
||||
machine-readable Corresponding Source under the terms of this License,
|
||||
in one of these ways:
|
||||
|
||||
a) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by the
|
||||
Corresponding Source fixed on a durable physical medium
|
||||
customarily used for software interchange.
|
||||
|
||||
b) Convey the object code in, or embodied in, a physical product
|
||||
(including a physical distribution medium), accompanied by a
|
||||
written offer, valid for at least three years and valid for as
|
||||
long as you offer spare parts or customer support for that product
|
||||
model, to give anyone who possesses the object code either (1) a
|
||||
copy of the Corresponding Source for all the software in the
|
||||
product that is covered by this License, on a durable physical
|
||||
medium customarily used for software interchange, for a price no
|
||||
more than your reasonable cost of physically performing this
|
||||
conveying of source, or (2) access to copy the
|
||||
Corresponding Source from a network server at no charge.
|
||||
|
||||
c) Convey individual copies of the object code with a copy of the
|
||||
written offer to provide the Corresponding Source. This
|
||||
alternative is allowed only occasionally and noncommercially, and
|
||||
only if you received the object code with such an offer, in accord
|
||||
with subsection 6b.
|
||||
|
||||
d) Convey the object code by offering access from a designated
|
||||
place (gratis or for a charge), and offer equivalent access to the
|
||||
Corresponding Source in the same way through the same place at no
|
||||
further charge. You need not require recipients to copy the
|
||||
Corresponding Source along with the object code. If the place to
|
||||
copy the object code is a network server, the Corresponding Source
|
||||
may be on a different server (operated by you or a third party)
|
||||
that supports equivalent copying facilities, provided you maintain
|
||||
clear directions next to the object code saying where to find the
|
||||
Corresponding Source. Regardless of what server hosts the
|
||||
Corresponding Source, you remain obligated to ensure that it is
|
||||
available for as long as needed to satisfy these requirements.
|
||||
|
||||
e) Convey the object code using peer-to-peer transmission, provided
|
||||
you inform other peers where the object code and Corresponding
|
||||
Source of the work are being offered to the general public at no
|
||||
charge under subsection 6d.
|
||||
|
||||
A separable portion of the object code, whose source code is excluded
|
||||
from the Corresponding Source as a System Library, need not be
|
||||
included in conveying the object code work.
|
||||
|
||||
A "User Product" is either (1) a "consumer product", which means any
|
||||
tangible personal property which is normally used for personal, family,
|
||||
or household purposes, or (2) anything designed or sold for incorporation
|
||||
into a dwelling. In determining whether a product is a consumer product,
|
||||
doubtful cases shall be resolved in favor of coverage. For a particular
|
||||
product received by a particular user, "normally used" refers to a
|
||||
typical or common use of that class of product, regardless of the status
|
||||
of the particular user or of the way in which the particular user
|
||||
actually uses, or expects or is expected to use, the product. A product
|
||||
is a consumer product regardless of whether the product has substantial
|
||||
commercial, industrial or non-consumer uses, unless such uses represent
|
||||
the only significant mode of use of the product.
|
||||
|
||||
"Installation Information" for a User Product means any methods,
|
||||
procedures, authorization keys, or other information required to install
|
||||
and execute modified versions of a covered work in that User Product from
|
||||
a modified version of its Corresponding Source. The information must
|
||||
suffice to ensure that the continued functioning of the modified object
|
||||
code is in no case prevented or interfered with solely because
|
||||
modification has been made.
|
||||
|
||||
If you convey an object code work under this section in, or with, or
|
||||
specifically for use in, a User Product, and the conveying occurs as
|
||||
part of a transaction in which the right of possession and use of the
|
||||
User Product is transferred to the recipient in perpetuity or for a
|
||||
fixed term (regardless of how the transaction is characterized), the
|
||||
Corresponding Source conveyed under this section must be accompanied
|
||||
by the Installation Information. But this requirement does not apply
|
||||
if neither you nor any third party retains the ability to install
|
||||
modified object code on the User Product (for example, the work has
|
||||
been installed in ROM).
|
||||
|
||||
The requirement to provide Installation Information does not include a
|
||||
requirement to continue to provide support service, warranty, or updates
|
||||
for a work that has been modified or installed by the recipient, or for
|
||||
the User Product in which it has been modified or installed. Access to a
|
||||
network may be denied when the modification itself materially and
|
||||
adversely affects the operation of the network or violates the rules and
|
||||
protocols for communication across the network.
|
||||
|
||||
Corresponding Source conveyed, and Installation Information provided,
|
||||
in accord with this section must be in a format that is publicly
|
||||
documented (and with an implementation available to the public in
|
||||
source code form), and must require no special password or key for
|
||||
unpacking, reading or copying.
|
||||
|
||||
7. Additional Terms.
|
||||
|
||||
"Additional permissions" are terms that supplement the terms of this
|
||||
License by making exceptions from one or more of its conditions.
|
||||
Additional permissions that are applicable to the entire Program shall
|
||||
be treated as though they were included in this License, to the extent
|
||||
that they are valid under applicable law. If additional permissions
|
||||
apply only to part of the Program, that part may be used separately
|
||||
under those permissions, but the entire Program remains governed by
|
||||
this License without regard to the additional permissions.
|
||||
|
||||
When you convey a copy of a covered work, you may at your option
|
||||
remove any additional permissions from that copy, or from any part of
|
||||
it. (Additional permissions may be written to require their own
|
||||
removal in certain cases when you modify the work.) You may place
|
||||
additional permissions on material, added by you to a covered work,
|
||||
for which you have or can give appropriate copyright permission.
|
||||
|
||||
Notwithstanding any other provision of this License, for material you
|
||||
add to a covered work, you may (if authorized by the copyright holders of
|
||||
that material) supplement the terms of this License with terms:
|
||||
|
||||
a) Disclaiming warranty or limiting liability differently from the
|
||||
terms of sections 15 and 16 of this License; or
|
||||
|
||||
b) Requiring preservation of specified reasonable legal notices or
|
||||
author attributions in that material or in the Appropriate Legal
|
||||
Notices displayed by works containing it; or
|
||||
|
||||
c) Prohibiting misrepresentation of the origin of that material, or
|
||||
requiring that modified versions of such material be marked in
|
||||
reasonable ways as different from the original version; or
|
||||
|
||||
d) Limiting the use for publicity purposes of names of licensors or
|
||||
authors of the material; or
|
||||
|
||||
e) Declining to grant rights under trademark law for use of some
|
||||
trade names, trademarks, or service marks; or
|
||||
|
||||
f) Requiring indemnification of licensors and authors of that
|
||||
material by anyone who conveys the material (or modified versions of
|
||||
it) with contractual assumptions of liability to the recipient, for
|
||||
any liability that these contractual assumptions directly impose on
|
||||
those licensors and authors.
|
||||
|
||||
All other non-permissive additional terms are considered "further
|
||||
restrictions" within the meaning of section 10. If the Program as you
|
||||
received it, or any part of it, contains a notice stating that it is
|
||||
governed by this License along with a term that is a further
|
||||
restriction, you may remove that term. If a license document contains
|
||||
a further restriction but permits relicensing or conveying under this
|
||||
License, you may add to a covered work material governed by the terms
|
||||
of that license document, provided that the further restriction does
|
||||
not survive such relicensing or conveying.
|
||||
|
||||
If you add terms to a covered work in accord with this section, you
|
||||
must place, in the relevant source files, a statement of the
|
||||
additional terms that apply to those files, or a notice indicating
|
||||
where to find the applicable terms.
|
||||
|
||||
Additional terms, permissive or non-permissive, may be stated in the
|
||||
form of a separately written license, or stated as exceptions;
|
||||
the above requirements apply either way.
|
||||
|
||||
8. Termination.
|
||||
|
||||
You may not propagate or modify a covered work except as expressly
|
||||
provided under this License. Any attempt otherwise to propagate or
|
||||
modify it is void, and will automatically terminate your rights under
|
||||
this License (including any patent licenses granted under the third
|
||||
paragraph of section 11).
|
||||
|
||||
However, if you cease all violation of this License, then your
|
||||
license from a particular copyright holder is reinstated (a)
|
||||
provisionally, unless and until the copyright holder explicitly and
|
||||
finally terminates your license, and (b) permanently, if the copyright
|
||||
holder fails to notify you of the violation by some reasonable means
|
||||
prior to 60 days after the cessation.
|
||||
|
||||
Moreover, your license from a particular copyright holder is
|
||||
reinstated permanently if the copyright holder notifies you of the
|
||||
violation by some reasonable means, this is the first time you have
|
||||
received notice of violation of this License (for any work) from that
|
||||
copyright holder, and you cure the violation prior to 30 days after
|
||||
your receipt of the notice.
|
||||
|
||||
Termination of your rights under this section does not terminate the
|
||||
licenses of parties who have received copies or rights from you under
|
||||
this License. If your rights have been terminated and not permanently
|
||||
reinstated, you do not qualify to receive new licenses for the same
|
||||
material under section 10.
|
||||
|
||||
9. Acceptance Not Required for Having Copies.
|
||||
|
||||
You are not required to accept this License in order to receive or
|
||||
run a copy of the Program. Ancillary propagation of a covered work
|
||||
occurring solely as a consequence of using peer-to-peer transmission
|
||||
to receive a copy likewise does not require acceptance. However,
|
||||
nothing other than this License grants you permission to propagate or
|
||||
modify any covered work. These actions infringe copyright if you do
|
||||
not accept this License. Therefore, by modifying or propagating a
|
||||
covered work, you indicate your acceptance of this License to do so.
|
||||
|
||||
10. Automatic Licensing of Downstream Recipients.
|
||||
|
||||
Each time you convey a covered work, the recipient automatically
|
||||
receives a license from the original licensors, to run, modify and
|
||||
propagate that work, subject to this License. You are not responsible
|
||||
for enforcing compliance by third parties with this License.
|
||||
|
||||
An "entity transaction" is a transaction transferring control of an
|
||||
organization, or substantially all assets of one, or subdividing an
|
||||
organization, or merging organizations. If propagation of a covered
|
||||
work results from an entity transaction, each party to that
|
||||
transaction who receives a copy of the work also receives whatever
|
||||
licenses to the work the party's predecessor in interest had or could
|
||||
give under the previous paragraph, plus a right to possession of the
|
||||
Corresponding Source of the work from the predecessor in interest, if
|
||||
the predecessor has it or can get it with reasonable efforts.
|
||||
|
||||
You may not impose any further restrictions on the exercise of the
|
||||
rights granted or affirmed under this License. For example, you may
|
||||
not impose a license fee, royalty, or other charge for exercise of
|
||||
rights granted under this License, and you may not initiate litigation
|
||||
(including a cross-claim or counterclaim in a lawsuit) alleging that
|
||||
any patent claim is infringed by making, using, selling, offering for
|
||||
sale, or importing the Program or any portion of it.
|
||||
|
||||
11. Patents.
|
||||
|
||||
A "contributor" is a copyright holder who authorizes use under this
|
||||
License of the Program or a work on which the Program is based. The
|
||||
work thus licensed is called the contributor's "contributor version".
|
||||
|
||||
A contributor's "essential patent claims" are all patent claims
|
||||
owned or controlled by the contributor, whether already acquired or
|
||||
hereafter acquired, that would be infringed by some manner, permitted
|
||||
by this License, of making, using, or selling its contributor version,
|
||||
but do not include claims that would be infringed only as a
|
||||
consequence of further modification of the contributor version. For
|
||||
purposes of this definition, "control" includes the right to grant
|
||||
patent sublicenses in a manner consistent with the requirements of
|
||||
this License.
|
||||
|
||||
Each contributor grants you a non-exclusive, worldwide, royalty-free
|
||||
patent license under the contributor's essential patent claims, to
|
||||
make, use, sell, offer for sale, import and otherwise run, modify and
|
||||
propagate the contents of its contributor version.
|
||||
|
||||
In the following three paragraphs, a "patent license" is any express
|
||||
agreement or commitment, however denominated, not to enforce a patent
|
||||
(such as an express permission to practice a patent or covenant not to
|
||||
sue for patent infringement). To "grant" such a patent license to a
|
||||
party means to make such an agreement or commitment not to enforce a
|
||||
patent against the party.
|
||||
|
||||
If you convey a covered work, knowingly relying on a patent license,
|
||||
and the Corresponding Source of the work is not available for anyone
|
||||
to copy, free of charge and under the terms of this License, through a
|
||||
publicly available network server or other readily accessible means,
|
||||
then you must either (1) cause the Corresponding Source to be so
|
||||
available, or (2) arrange to deprive yourself of the benefit of the
|
||||
patent license for this particular work, or (3) arrange, in a manner
|
||||
consistent with the requirements of this License, to extend the patent
|
||||
license to downstream recipients. "Knowingly relying" means you have
|
||||
actual knowledge that, but for the patent license, your conveying the
|
||||
covered work in a country, or your recipient's use of the covered work
|
||||
in a country, would infringe one or more identifiable patents in that
|
||||
country that you have reason to believe are valid.
|
||||
|
||||
If, pursuant to or in connection with a single transaction or
|
||||
arrangement, you convey, or propagate by procuring conveyance of, a
|
||||
covered work, and grant a patent license to some of the parties
|
||||
receiving the covered work authorizing them to use, propagate, modify
|
||||
or convey a specific copy of the covered work, then the patent license
|
||||
you grant is automatically extended to all recipients of the covered
|
||||
work and works based on it.
|
||||
|
||||
A patent license is "discriminatory" if it does not include within
|
||||
the scope of its coverage, prohibits the exercise of, or is
|
||||
conditioned on the non-exercise of one or more of the rights that are
|
||||
specifically granted under this License. You may not convey a covered
|
||||
work if you are a party to an arrangement with a third party that is
|
||||
in the business of distributing software, under which you make payment
|
||||
to the third party based on the extent of your activity of conveying
|
||||
the work, and under which the third party grants, to any of the
|
||||
parties who would receive the covered work from you, a discriminatory
|
||||
patent license (a) in connection with copies of the covered work
|
||||
conveyed by you (or copies made from those copies), or (b) primarily
|
||||
for and in connection with specific products or compilations that
|
||||
contain the covered work, unless you entered into that arrangement,
|
||||
or that patent license was granted, prior to 28 March 2007.
|
||||
|
||||
Nothing in this License shall be construed as excluding or limiting
|
||||
any implied license or other defenses to infringement that may
|
||||
otherwise be available to you under applicable patent law.
|
||||
|
||||
12. No Surrender of Others' Freedom.
|
||||
|
||||
If conditions are imposed on you (whether by court order, agreement or
|
||||
otherwise) that contradict the conditions of this License, they do not
|
||||
excuse you from the conditions of this License. If you cannot convey a
|
||||
covered work so as to satisfy simultaneously your obligations under this
|
||||
License and any other pertinent obligations, then as a consequence you may
|
||||
not convey it at all. For example, if you agree to terms that obligate you
|
||||
to collect a royalty for further conveying from those to whom you convey
|
||||
the Program, the only way you could satisfy both those terms and this
|
||||
License would be to refrain entirely from conveying the Program.
|
||||
|
||||
13. Remote Network Interaction; Use with the GNU General Public License.
|
||||
|
||||
Notwithstanding any other provision of this License, if you modify the
|
||||
Program, your modified version must prominently offer all users
|
||||
interacting with it remotely through a computer network (if your version
|
||||
supports such interaction) an opportunity to receive the Corresponding
|
||||
Source of your version by providing access to the Corresponding Source
|
||||
from a network server at no charge, through some standard or customary
|
||||
means of facilitating copying of software. This Corresponding Source
|
||||
shall include the Corresponding Source for any work covered by version 3
|
||||
of the GNU General Public License that is incorporated pursuant to the
|
||||
following paragraph.
|
||||
|
||||
Notwithstanding any other provision of this License, you have
|
||||
permission to link or combine any covered work with a work licensed
|
||||
under version 3 of the GNU General Public License into a single
|
||||
combined work, and to convey the resulting work. The terms of this
|
||||
License will continue to apply to the part which is the covered work,
|
||||
but the work with which it is combined will remain governed by version
|
||||
3 of the GNU General Public License.
|
||||
|
||||
14. Revised Versions of this License.
|
||||
|
||||
The Free Software Foundation may publish revised and/or new versions of
|
||||
the GNU Affero General Public License from time to time. Such new versions
|
||||
will be similar in spirit to the present version, but may differ in detail to
|
||||
address new problems or concerns.
|
||||
|
||||
Each version is given a distinguishing version number. If the
|
||||
Program specifies that a certain numbered version of the GNU Affero General
|
||||
Public License "or any later version" applies to it, you have the
|
||||
option of following the terms and conditions either of that numbered
|
||||
version or of any later version published by the Free Software
|
||||
Foundation. If the Program does not specify a version number of the
|
||||
GNU Affero General Public License, you may choose any version ever published
|
||||
by the Free Software Foundation.
|
||||
|
||||
If the Program specifies that a proxy can decide which future
|
||||
versions of the GNU Affero General Public License can be used, that proxy's
|
||||
public statement of acceptance of a version permanently authorizes you
|
||||
to choose that version for the Program.
|
||||
|
||||
Later license versions may give you additional or different
|
||||
permissions. However, no additional obligations are imposed on any
|
||||
author or copyright holder as a result of your choosing to follow a
|
||||
later version.
|
||||
|
||||
15. Disclaimer of Warranty.
|
||||
|
||||
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
|
||||
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
|
||||
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
|
||||
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
|
||||
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
|
||||
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
|
||||
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
|
||||
|
||||
16. Limitation of Liability.
|
||||
|
||||
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
|
||||
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
|
||||
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
|
||||
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
|
||||
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
|
||||
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
|
||||
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
|
||||
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
|
||||
SUCH DAMAGES.
|
||||
|
||||
17. Interpretation of Sections 15 and 16.
|
||||
|
||||
If the disclaimer of warranty and limitation of liability provided
|
||||
above cannot be given local legal effect according to their terms,
|
||||
reviewing courts shall apply local law that most closely approximates
|
||||
an absolute waiver of all civil liability in connection with the
|
||||
Program, unless a warranty or assumption of liability accompanies a
|
||||
copy of the Program in return for a fee.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
|
@ -0,0 +1,76 @@
|
|||
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
|
||||
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
|
||||
<modelVersion>4.0.0</modelVersion>
|
||||
<groupId>YoutubeCrawler</groupId>
|
||||
<artifactId>YoutubeCrawler</artifactId>
|
||||
<version>0.0.1-SNAPSHOT</version>
|
||||
<build>
|
||||
<sourceDirectory>src</sourceDirectory>
|
||||
<plugins>
|
||||
<plugin>
|
||||
<artifactId>maven-compiler-plugin</artifactId>
|
||||
<version>3.5.1</version>
|
||||
<configuration>
|
||||
<source>1.8</source>
|
||||
<target>1.8</target>
|
||||
</configuration>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-jar-plugin</artifactId>
|
||||
<configuration>
|
||||
<archive>
|
||||
<manifest>
|
||||
<mainClass>de.mrbesen.youtubecrawler.Main</mainClass>
|
||||
</manifest>
|
||||
</archive>
|
||||
</configuration>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<groupId>org.codehaus.mojo</groupId>
|
||||
<artifactId>exec-maven-plugin</artifactId>
|
||||
<version>1.2.1</version>
|
||||
<configuration>
|
||||
<mainClass>de.mrbesen.youtubecrawler.Main</mainClass>
|
||||
</configuration>
|
||||
</plugin>
|
||||
<plugin>
|
||||
<artifactId>maven-assembly-plugin</artifactId>
|
||||
<executions>
|
||||
<execution>
|
||||
<phase>package</phase>
|
||||
<goals>
|
||||
<goal>single</goal>
|
||||
</goals>
|
||||
</execution>
|
||||
</executions>
|
||||
<configuration>
|
||||
<descriptorRefs>
|
||||
<descriptorRef>jar-with-dependencies</descriptorRef>
|
||||
</descriptorRefs>
|
||||
<archive>
|
||||
<manifest>
|
||||
<mainClass>de.mrbesen.youtubecrawler.Main</mainClass>
|
||||
</manifest>
|
||||
</archive>
|
||||
</configuration>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</build>
|
||||
<properties>
|
||||
<maven.compiler.target>1.8</maven.compiler.target>
|
||||
<maven.compiler.source>1.8</maven.compiler.source>
|
||||
</properties>
|
||||
<dependencies>
|
||||
<dependency>
|
||||
<groupId>log4j</groupId>
|
||||
<artifactId>log4j</artifactId>
|
||||
<version>1.2.17</version>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>mysql</groupId>
|
||||
<artifactId>mysql-connector-java</artifactId>
|
||||
<version>8.0.11</version>
|
||||
</dependency>
|
||||
</dependencies>
|
||||
</project>
|
|
@ -0,0 +1,68 @@
|
|||
package de.mrbesen.youtubecrawler;
|
||||
|
||||
import java.io.File;
|
||||
import java.io.FileInputStream;
|
||||
import java.io.FileWriter;
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
import java.util.Map;
|
||||
import java.util.Properties;
|
||||
import java.util.Map.Entry;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
|
||||
public class Config {
|
||||
|
||||
public static Properties prop = new Properties();
|
||||
private static Logger log = Logger.getLogger(Config.class.getName());
|
||||
private static File conf;
|
||||
|
||||
private static Map<String,String> properties = new HashMap<String, String>() {
|
||||
{
|
||||
put("db.host" , "localhost" );
|
||||
put("db.port" , "3306" );
|
||||
put("db.user" , "ytcrawler" );
|
||||
put("db.pw" , "" );
|
||||
put("db.dbname" , "ytcrawler" );
|
||||
put("youtube.apikey", "" );
|
||||
}
|
||||
};
|
||||
|
||||
public Config(final File conf) {
|
||||
Config.conf = conf;
|
||||
try {
|
||||
prop.load(new FileInputStream(conf));
|
||||
} catch(IOException e) {
|
||||
log.error("can not load Config", e);
|
||||
generateNewConfig();
|
||||
}
|
||||
}
|
||||
|
||||
private void generateNewConfig() {
|
||||
log.fatal("Configuration file " + conf.getName() + " not found or can't be opened!");
|
||||
|
||||
try {
|
||||
// set defaults
|
||||
for(Entry<String, String> entr : properties.entrySet()) {
|
||||
prop.setProperty(entr.getKey(), entr.getValue());
|
||||
}
|
||||
|
||||
// safe into new configuration file
|
||||
prop.store(new FileWriter(conf), "");
|
||||
log.info("Created " + conf.getName() + " with default values. "
|
||||
+ "Please insert your API key and update the download base url."
|
||||
);
|
||||
|
||||
} catch (IOException ex) {
|
||||
// when the new configuration file can't be written to disk
|
||||
log.error("Configuration file " + conf.getName()
|
||||
+ "could not be created. Please check file writing permissions."
|
||||
);
|
||||
|
||||
} finally {
|
||||
// user has to fix this, else the bot won't work at all
|
||||
log.info("Will now exit.");
|
||||
System.exit(1);
|
||||
}
|
||||
}
|
||||
}
|
|
@ -0,0 +1,138 @@
|
|||
package de.mrbesen.youtubecrawler;
|
||||
|
||||
import java.io.BufferedWriter;
|
||||
import java.io.File;
|
||||
import java.io.FileWriter;
|
||||
import java.io.IOException;
|
||||
import java.io.PrintWriter;
|
||||
import java.util.LinkedList;
|
||||
import java.util.List;
|
||||
import java.util.Scanner;
|
||||
import java.util.regex.Matcher;
|
||||
import java.util.regex.Pattern;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
|
||||
public class Crawler implements Runnable {
|
||||
|
||||
private LinkedList<String> toSave = new LinkedList<>();//all found ytids, witch need to be analysed
|
||||
private LinkedList<String> toCrawl = new LinkedList<>();//all videos tu crawl
|
||||
private LinkedList<String> toknown = new LinkedList<>();//list with all videos, to test if they are allready known, if not they are moved to tocrawle
|
||||
private static Pattern linkpattern = Pattern.compile("href=\"\\/watch\\?v=");
|
||||
private boolean crawl = true;
|
||||
private int crawlcount = 0;
|
||||
private DB db = new DB();
|
||||
private YoutubeAPI api = new YoutubeAPI();
|
||||
private File crawlfile = new File("crawl.txt");
|
||||
private Logger log = Logger.getLogger(Config.class.getName());
|
||||
|
||||
public void stop() {
|
||||
crawl = false;
|
||||
}
|
||||
|
||||
public void addtoCrawl(String videoid) {
|
||||
if(! (toCrawl.contains(videoid) || toknown.contains(videoid)))
|
||||
toknown.add(videoid);
|
||||
}
|
||||
|
||||
private void crawl(String videoid) {
|
||||
try {
|
||||
crawlcount++;
|
||||
log.info("crawling: " + videoid);
|
||||
toSave.add(videoid);
|
||||
HTTPS con = new HTTPS("https://youtube.com/watch?v=" + videoid);
|
||||
String s = con.getContent();
|
||||
Matcher matcher = linkpattern.matcher(s);
|
||||
while(matcher.find()) {
|
||||
int beginytid = matcher.end();
|
||||
int endxtid = s.indexOf('"', beginytid);
|
||||
int endid = s.indexOf('&', beginytid);
|
||||
if(endid < endxtid) {
|
||||
endxtid = endid;
|
||||
}
|
||||
String ytid = s.substring(beginytid, endxtid);
|
||||
if(ytid.length() > 9 && ytid.length() <= 12) {
|
||||
addtoCrawl(ytid);
|
||||
} else {
|
||||
log.warn("youtube id has wrong length: \"" + ytid + "\"");
|
||||
}
|
||||
}
|
||||
} catch(IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public void run() {
|
||||
long start = System.currentTimeMillis();
|
||||
log.info("Try to load crawlfile");
|
||||
if(crawlfile.exists()) {
|
||||
try {
|
||||
Scanner in = new Scanner(crawlfile);
|
||||
while(in.hasNextLine()) {
|
||||
String line = in.nextLine();
|
||||
if(line == null) {
|
||||
break;
|
||||
} else {
|
||||
if(!line.isEmpty()) {
|
||||
addtoCrawl(line);
|
||||
}
|
||||
}
|
||||
}
|
||||
in.close();
|
||||
} catch(IOException e) {
|
||||
log.warn("Error while loading crawl file.");
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
while(crawl) {
|
||||
log.info("to Crawl: " + toCrawl.size());
|
||||
|
||||
while(!toCrawl.isEmpty() && crawl) {
|
||||
crawl(toCrawl.remove(0));
|
||||
}
|
||||
if(toknown.isEmpty()) {//very uncommon
|
||||
log.warn("nothing left.");
|
||||
crawl = false;
|
||||
//delete / clear crawl file
|
||||
} else {
|
||||
toCrawl.addAll(db.checkvideos(toknown));//TODO cap it at something like 1000 videos
|
||||
toknown.clear();
|
||||
try {
|
||||
PrintWriter p = new PrintWriter(new BufferedWriter(new FileWriter(crawlfile)));
|
||||
for(String t : toCrawl) {
|
||||
p.println(t);
|
||||
}
|
||||
p.close();
|
||||
} catch (IOException e) {
|
||||
log.error("Error writing crawlfile.", e);
|
||||
}
|
||||
}
|
||||
// System.out.println("try to save " + toSave.size() + " videos.");
|
||||
while(!toSave.isEmpty()) {
|
||||
LinkedList<String> videoids = new LinkedList<>();
|
||||
for(int i = 0; i < 50 && !toSave.isEmpty(); i++) {
|
||||
videoids.add(toSave.remove(0));
|
||||
}
|
||||
if(videoids.size() > 0) {
|
||||
List<Video> videos = api.getInfos(videoids);
|
||||
db.addVideos(videos);
|
||||
}
|
||||
}
|
||||
}
|
||||
long diff = (System.currentTimeMillis() - start)/ 60000;
|
||||
log.info("Crawling Stopped. Runtime: " + ((int) diff) + "min and " + crawlcount + " videos crawled.");
|
||||
}
|
||||
|
||||
public static Video getVideo() {
|
||||
return new Video();
|
||||
}
|
||||
|
||||
public static class Video {
|
||||
String id;
|
||||
int length;//the length of the video in seconds
|
||||
String languageCode;
|
||||
byte categorie;
|
||||
long created;
|
||||
}
|
||||
}
|
|
@ -0,0 +1,121 @@
|
|||
package de.mrbesen.youtubecrawler;
|
||||
|
||||
import java.sql.Connection;
|
||||
import java.sql.DriverManager;
|
||||
import java.sql.ResultSet;
|
||||
import java.sql.SQLException;
|
||||
import java.util.List;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
|
||||
import de.mrbesen.youtubecrawler.Crawler.Video;
|
||||
|
||||
public class DB {
|
||||
|
||||
private Connection con;
|
||||
//private String server = "localhost", user = "ytcrawler", pw ="pDWmDhmZKArwvG2q", db = "ytcrawler";
|
||||
private String server = Config.prop.getProperty("db.host", "localhost"), user = Config.prop.getProperty("db.user", "ytcrawler"), pw = Config.prop.getProperty("db.pw", ""), db = Config.prop.getProperty("db.dbname", "ytcrawler");
|
||||
private int port = Integer.parseInt(Config.prop.getProperty("db.port", "3306"));
|
||||
private Logger log = Logger.getLogger(Config.class.getName());
|
||||
|
||||
|
||||
public DB() {
|
||||
try {
|
||||
Class.forName("com.mysql.jdbc.Driver");//Treiber laden
|
||||
|
||||
//verbinden
|
||||
con = DriverManager.getConnection("jdbc:mysql://" + server + ":" + port + "/?serverTimezone=UTC" ,user,pw);
|
||||
|
||||
//set the database up!
|
||||
boolean found = false;
|
||||
ResultSet set = con.getMetaData().getCatalogs();//does the db exists?
|
||||
while(set.next()) {
|
||||
if(set.getString(1).equalsIgnoreCase(db)) {
|
||||
found = true;
|
||||
con.setCatalog(db);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if(!found) {//DataBase not found, try to create
|
||||
log.warn("Database not found! tring to create!");
|
||||
//create DB, table: konten / player / Transactions
|
||||
update("CREATE DATABASE `" + db + "` /*!40100 DEFAULT CHARACTER SET latin1*/;");
|
||||
con.setCatalog(db);
|
||||
update("CREATE TABLE `videos` (`id` varchar(13) NOT NULL,`length` int(11) NOT NULL,`created` int(11) NOT NULL,`langcode` varchar(3) NOT NULL DEFAULT 'en',`category` int(11) DEFAULT NULL, PRIMARY KEY (`id`), UNIQUE KEY `id_UNIQUE` (`id`)) ENGINE=InnoDB DEFAULT CHARSET=latin1;");
|
||||
|
||||
log.info("Database is set up! -> \n\nFirst Entry in uploaded needed!!!!!!\nPlease insert MANUALY!\n ");
|
||||
}
|
||||
} catch (ClassNotFoundException | SQLException e) {
|
||||
log.error("Error while connecting to the database! ", e);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* removes all videos, that are known from the db
|
||||
* @param input
|
||||
* @return
|
||||
*/
|
||||
public List<String> checkvideos(List<String> input) {
|
||||
StringBuilder ids = new StringBuilder();
|
||||
for(int i = 0; i < input.size(); i++) {
|
||||
ids.append(',').append(input.get(i));
|
||||
}
|
||||
String query = "SELECT `id` FROM `videos` WHERE concat('%',`id`,'%') LIKE '" + ids.toString() + "';";
|
||||
ResultSet res = query(query);
|
||||
try {
|
||||
while(res.next()) {
|
||||
input.remove(res.getString(1));
|
||||
}
|
||||
} catch(SQLException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return input;
|
||||
}
|
||||
|
||||
/**
|
||||
* save the list of videos to the DB
|
||||
* @param input
|
||||
*/
|
||||
public void addVideos(List<Video> input) {
|
||||
log.info("add " + input.size() + " videos");
|
||||
if(input.size() > 0) {
|
||||
StringBuilder sb = new StringBuilder();
|
||||
for(int i = 0; i< input.size(); i++) {
|
||||
if(i > 0)
|
||||
sb.append(',');
|
||||
Video v = input.get(i);
|
||||
sb.append("('").append(v.id).append("','").append(v.length).append("','").append(v.created).append("','").append(v.languageCode).append("','").append(v.categorie).append("') ");
|
||||
}
|
||||
String qu = "INSERT IGNORE INTO `ytcrawler`.`videos`(`id`, `length`, `created`, `langcode`, `category`) VALUES " + sb.toString();
|
||||
update(qu);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* instant query
|
||||
* @param q
|
||||
* @return Das resultSet der Query
|
||||
*/
|
||||
public ResultSet query(String q) {
|
||||
try {
|
||||
return con.prepareStatement(q).executeQuery();
|
||||
} catch (SQLException e) {
|
||||
log.error("Fehler bim ausführen der Query: " + q, e);
|
||||
}
|
||||
return null;//ERROR!
|
||||
}
|
||||
|
||||
/**
|
||||
* instant update
|
||||
* @param q
|
||||
*/
|
||||
public void update(String q) {
|
||||
try {
|
||||
con.prepareStatement(q).executeUpdate();
|
||||
} catch (SQLException e) {
|
||||
log.error("Fehler bim ausführen der Update-Query: " + q, e);
|
||||
}
|
||||
}
|
||||
}
|
|
@ -0,0 +1,29 @@
|
|||
package de.mrbesen.youtubecrawler;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.net.MalformedURLException;
|
||||
import java.net.URL;
|
||||
import java.util.Scanner;
|
||||
|
||||
import javax.net.ssl.HttpsURLConnection;
|
||||
|
||||
public class HTTPS {
|
||||
|
||||
private HttpsURLConnection con;
|
||||
|
||||
public HTTPS(String url) throws MalformedURLException, IOException {
|
||||
con = (HttpsURLConnection) (new URL(url)).openConnection();
|
||||
con.setDoInput(true);
|
||||
con.setDefaultUseCaches(true);
|
||||
}
|
||||
|
||||
public String getContent() throws IOException {
|
||||
StringBuilder sb = new StringBuilder();
|
||||
Scanner in = new Scanner(con.getInputStream());
|
||||
while(in.hasNextLine()) {
|
||||
sb.append(in.nextLine()).append('\n');
|
||||
}
|
||||
in.close();
|
||||
return sb.toString();
|
||||
}
|
||||
}
|
|
@ -0,0 +1,64 @@
|
|||
package de.mrbesen.youtubecrawler;
|
||||
|
||||
import org.apache.log4j.ConsoleAppender;
|
||||
import org.apache.log4j.Layout;
|
||||
import org.apache.log4j.Level;
|
||||
import org.apache.log4j.Logger;
|
||||
import org.apache.log4j.spi.LoggingEvent;
|
||||
|
||||
public class Log {
|
||||
|
||||
|
||||
public static Logger l = Logger.getRootLogger();
|
||||
|
||||
public Log() {
|
||||
l.setLevel(Level.ALL);
|
||||
ConsoleAppender consoleAppender = new ConsoleAppender( new Layout() {
|
||||
@Override
|
||||
public void activateOptions() {
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean ignoresThrowable() {
|
||||
return false;
|
||||
}
|
||||
|
||||
@Override
|
||||
public String format(LoggingEvent e) {
|
||||
String classname = e.getLoggerName();
|
||||
classname = classname.substring(classname.lastIndexOf('.')+1);
|
||||
String out = "["+ format(e.getThreadName(), 10) + "|" + format(classname, 10) + "|" + format(e.getLevel().toString(),3) + "] ";
|
||||
if (e.getThrowableInformation() != null) {
|
||||
out += e.getMessage() + "\n" + logException(e.getThrowableInformation().getThrowable(), out);
|
||||
} else {
|
||||
out += e.getMessage();
|
||||
}
|
||||
return( out + '\n');
|
||||
}
|
||||
|
||||
private String logException(Throwable t, String prefix) {
|
||||
StringBuilder errortext = new StringBuilder();
|
||||
errortext.append(prefix).append(t.toString());
|
||||
for(StackTraceElement err : t.getStackTrace()) {
|
||||
errortext.append('\n').append(prefix).append(' ').append(err.toString());
|
||||
}
|
||||
if(t.getCause() != null) {
|
||||
errortext.append("\n" + prefix +" Caused by: \n").append(logException(t.getCause(), prefix + " "));
|
||||
}
|
||||
return errortext.toString();
|
||||
}
|
||||
|
||||
private String format(String in, int length) {
|
||||
while(in.length() < length) {
|
||||
in += ' ';
|
||||
}
|
||||
|
||||
if(in.length() > length) {
|
||||
in = in.substring(0, length);
|
||||
}
|
||||
return in;
|
||||
}
|
||||
} );
|
||||
l.addAppender( consoleAppender );
|
||||
}
|
||||
}
|
|
@ -0,0 +1,42 @@
|
|||
package de.mrbesen.youtubecrawler;
|
||||
|
||||
import java.io.File;
|
||||
import java.util.Scanner;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
|
||||
public class Main {
|
||||
|
||||
public static void main(String[] args) {
|
||||
//init Logger
|
||||
new Log(); // init logging, set format etc
|
||||
Logger log = Logger.getLogger(Main.class.getName());
|
||||
|
||||
//loading config
|
||||
new Config(new File("crawl.conf"));
|
||||
|
||||
//starting crawler
|
||||
Crawler cra = new Crawler();
|
||||
Thread t = new Thread(cra, "Crawler");
|
||||
t.start();
|
||||
|
||||
//CLI
|
||||
Scanner s = new Scanner(System.in);
|
||||
String in;
|
||||
while((in= s.nextLine()) != null && t.isAlive()) {
|
||||
if(in.equalsIgnoreCase("stop")) {
|
||||
cra.stop();
|
||||
break;
|
||||
} else if(in.equalsIgnoreCase("add")) {
|
||||
log.info("please enter ytid:");
|
||||
String id = s.nextLine().trim();
|
||||
if(id.length() > 9 && id.length() < 13) {
|
||||
cra.addtoCrawl(id);
|
||||
log.info("added.");
|
||||
}
|
||||
}
|
||||
}
|
||||
s.close();
|
||||
log.info("Terminated.");
|
||||
}
|
||||
}
|
|
@ -0,0 +1,132 @@
|
|||
package de.mrbesen.youtubecrawler;
|
||||
|
||||
import java.io.BufferedReader;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStreamReader;
|
||||
import java.net.URL;
|
||||
import java.text.DateFormat;
|
||||
import java.text.ParseException;
|
||||
import java.text.SimpleDateFormat;
|
||||
import java.util.Date;
|
||||
import java.util.LinkedList;
|
||||
import java.util.List;
|
||||
|
||||
import javax.net.ssl.HttpsURLConnection;
|
||||
|
||||
import org.apache.log4j.Logger;
|
||||
|
||||
import de.mrbesen.youtubecrawler.Crawler.Video;
|
||||
|
||||
public class YoutubeAPI {
|
||||
|
||||
private final String api_key = Config.prop.getProperty("youtube.apikey");
|
||||
private static String basequery = "https://www.googleapis.com/youtube/v3/videos?part=snippet,contentDetails&id=";
|
||||
private static DateFormat dateformat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
|
||||
private Logger log = Logger.getLogger(Config.class.getName());
|
||||
|
||||
public YoutubeAPI() {
|
||||
if(api_key.isEmpty()) {
|
||||
log.error("apikey is not defined!");
|
||||
System.exit(1);
|
||||
}
|
||||
}
|
||||
|
||||
public Video getInfo(String id) {
|
||||
return getInfos(id).get(0);
|
||||
}
|
||||
|
||||
public LinkedList<Video> getInfos(List<String> ids) {
|
||||
if(ids.isEmpty())
|
||||
return new LinkedList<Video>();
|
||||
|
||||
StringBuilder sb = new StringBuilder(ids.remove(0));
|
||||
while(!ids.isEmpty()) {
|
||||
sb.append(',').append(ids.remove(0));
|
||||
}
|
||||
return getInfos(sb.toString());
|
||||
}
|
||||
|
||||
|
||||
public LinkedList<Video> getInfos(String idlist) {
|
||||
//System.out.println("get info vor " + idlist);
|
||||
LinkedList<Video> out = new LinkedList<Video>();
|
||||
String nextpage = "";
|
||||
do {
|
||||
String query = basequery + idlist + "&key=" + api_key;
|
||||
BufferedReader br = connect(query);
|
||||
nextpage = "";
|
||||
if(br != null) {
|
||||
try {
|
||||
String line;
|
||||
Video v = null;
|
||||
while((line = br.readLine()) != null) {
|
||||
String split[] = line.split(":",2);
|
||||
if(split.length == 2) {
|
||||
split[0] = removeunwanted(split[0]);
|
||||
|
||||
//System.out.println(split[0] + " " + split[1]);
|
||||
if(split[0].equals("defaultAudioLanguage")) {
|
||||
v.languageCode = removeunwanted(split[1]);
|
||||
} else if(split[0].equals("defaultLanguage")) {
|
||||
v.languageCode = removeunwanted(split[1]);
|
||||
} else if(split[0].equals("id")) {
|
||||
if(v != null)
|
||||
out.add(v);
|
||||
v = new Video();
|
||||
v.id = removeunwanted(split[1]);
|
||||
//System.out.println("new video: " + v.id + " " + v.length + " " + v.languageCode);
|
||||
} else if(split[0].equals("categoryId")) {
|
||||
v.categorie = Byte.parseByte(removeunwanted(split[1]));
|
||||
} else if(split[0].equals("duration")) {
|
||||
String timeparts[] = removeunwanted(split[1]).substring(2).split("[H,M,S]");
|
||||
try {
|
||||
if(timeparts.length > 2) {//hours
|
||||
v.length = 3600 * Integer.parseInt(timeparts[0]);
|
||||
}
|
||||
if(timeparts.length > 1) {//minutes
|
||||
v.length += 60 * Integer.parseInt(timeparts[timeparts.length -2]);
|
||||
}
|
||||
//Seconds
|
||||
v.length += Integer.parseInt(timeparts[timeparts.length-1]);
|
||||
} catch(NumberFormatException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
} else if(split[0].equals("publishedAt")) {
|
||||
String tmp = removeunwanted(split[1]);
|
||||
tmp = tmp.replace('T', ' ');
|
||||
tmp = tmp.substring(0, tmp.length()-5);
|
||||
Date d = dateformat.parse(tmp);
|
||||
v.created = d.getTime();
|
||||
}else if(split[0].equals("nextPageToken")) {
|
||||
nextpage = "&pageToken=" + removeunwanted(split[1]);
|
||||
// System.out.println("nextpage set to " + nextpage);
|
||||
}
|
||||
}
|
||||
}
|
||||
out.add(v);//add the last video
|
||||
br.close();
|
||||
} catch(IOException | ParseException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
} while(!nextpage.equals(""));
|
||||
return out;
|
||||
}
|
||||
|
||||
private String removeunwanted(String in) {
|
||||
return in.replaceAll("[\"}{\\,]", "").replaceAll("'", "''").trim();
|
||||
}
|
||||
|
||||
public BufferedReader connect(String url) {
|
||||
try {
|
||||
URL urll = new URL(url);
|
||||
HttpsURLConnection con = (HttpsURLConnection) urll.openConnection();
|
||||
con.connect();
|
||||
//System.out.println(con.getResponseCode());
|
||||
return new BufferedReader(new InputStreamReader(con.getInputStream()));
|
||||
} catch(IOException e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue