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PODesire 2 Learn Valence API authentication and cookies
 

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  1. PODesire 2 Learn Valence API authentication and cookies
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    <p>I'm trying to use the valence api in a headless manner. </p> <p>Side note: I had to modify the hyperlinks so they were not links or I couldn't post the question.</p> <p>Scenario 1:</p> <p>When using the Java example provided, the following URLs are hit if no cookies are present:</p> <p><a href="https://elearning.masked.edu/d2l/auth/api/token?x_a=JjGDh8MaskedDgOGlPPagA&amp;x_b=gnNIMasked99PGLtcVflc_488PD59k2TjJbfyj-jlXHY&amp;x_target=http%3A%2F%2Flocalhost%3A8080%2FD2LValenceExample%2Findex.jsp" rel="nofollow noreferrer">https://elearning.masked.edu/d2l/auth/api/token?x_a=JjGDh8MaskedDgOGlPPagA&amp;x_b=gnNIMasked99PGLtcVflc_488PD59k2TjJbfyj-jlXHY&amp;x_target=http%3A%2F%2Flocalhost%3A8080%2FD2LValenceExample%2Findex.jsp</a></p> <p>Which gives me a 302 response and sends the browser to</p> <p><a href="https://elearning.masked.edu/d2l/login?target=%2fd2l%2fauth%2fapi%2ftoken%3fx_a%3dJjGDh8MaskedDgOGlPPagA%26x_b%3dgnNIMasked99PGLtcVflc_488PD59k2TjJbfyj-jlXHY%26x_target%3dhttp%253a%252f%252flocalhost%253a8080%252fD2LValenceExample%252findex.jsp&amp;sessionExpired=1" rel="nofollow noreferrer">https://elearning.masked.edu/d2l/login?target=%2fd2l%2fauth%2fapi%2ftoken%3fx_a%3dJjGDh8MaskedDgOGlPPagA%26x_b%3dgnNIMasked99PGLtcVflc_488PD59k2TjJbfyj-jlXHY%26x_target%3dhttp%253a%252f%252flocalhost%253a8080%252fD2LValenceExample%252findex.jsp&amp;sessionExpired=1</a></p> <p>Which gives me another 302 response and sends the browser to</p> <p><a href="https://elearning.masked.edu/?target=%2fd2l%2fauth%2fapi%2ftoken%3fx_a%3dJjGDh8MaskedDgOGlPPagA%26x_b%3dgnNIMasked99PGLtcVflc_488PD59k2TjJbfyj-jlXHY%26x_target%3dhttp%253a%252f%252flocalhost%253a8080%252fD2LValenceExample%252findex.jsp" rel="nofollow noreferrer">https://elearning.masked.edu/?target=%2fd2l%2fauth%2fapi%2ftoken%3fx_a%3dJjGDh8MaskedDgOGlPPagA%26x_b%3dgnNIMasked99PGLtcVflc_488PD59k2TjJbfyj-jlXHY%26x_target%3dhttp%253a%252f%252flocalhost%253a8080%252fD2LValenceExample%252findex.jsp</a></p> <p>Which is the D2L login screen. So I log in and a post with my credentials is sent to:</p> <p><a href="https://elearning.masked.edu/d2l/lp/auth/login/login.d2l" rel="nofollow noreferrer">https://elearning.masked.edu/d2l/lp/auth/login/login.d2l</a></p> <p>Finally, my browser is sent to the D2L home:</p> <p><a href="https://elearning.masked.edu/d2l/lp/homepage/home.d2l?ou=1234123" rel="nofollow noreferrer">https://elearning.masked.edu/d2l/lp/homepage/home.d2l?ou=1234123</a> </p> <p>This doesn't follow the flow as listed in <a href="http://docs.valence.desire2learn.com/basic/auth.html" rel="nofollow noreferrer">http://docs.valence.desire2learn.com/basic/auth.html</a> . I was expecting a redirect to the appURL.</p> <p>But, when we do this a second time, the expected result is achieved:</p> <p>Scenario 2:</p> <p><a href="https://elearning.masked.edu/d2l/auth/api/token?x_a=JjGDh8MaskedDgOGlPPagA&amp;x_b=gnNIMasked99PGLtcVflc_488PD59k2TjJbfyj-jlXHY&amp;x_target=http%3A%2F%2Flocalhost%3A8080%2FD2LValenceExample%2Findex.jsp" rel="nofollow noreferrer">https://elearning.masked.edu/d2l/auth/api/token?x_a=JjGDh8MaskedDgOGlPPagA&amp;x_b=gnNIMasked99PGLtcVflc_488PD59k2TjJbfyj-jlXHY&amp;x_target=http%3A%2F%2Flocalhost%3A8080%2FD2LValenceExample%2Findex.jsp</a></p> <p><a href="http://localhost:8080/D2LValenceExample/index.jsp?x_a=Da6kyMaskedDMZy8l_1&amp;x_b=SV6_ONhvMaskedoBc_hHZ&amp;x_c=oD7JMT9CGgyLljIF_1MaskedCI5YZHJPcIgKD4" rel="nofollow noreferrer">http://localhost:8080/D2LValenceExample/index.jsp?x_a=Da6kyMaskedDMZy8l_1&amp;x_b=SV6_ONhvMaskedoBc_hHZ&amp;x_c=oD7JMT9CGgyLljIF_1MaskedCI5YZHJPcIgKD4</a></p> <p>The difference is the cookies. When I delete the cookies for elearning.masked.edu, the result in scenario 1 always happens. So the question becomes what is the correct way to make the web-service authentication call when we are starting without cookies?</p>
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