OLCI data access

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jstum
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OLCI data access

by jstum » Fri Apr 28, 2017 9:01 am America/New_York

Hello,

I was trying to download OLCI L1 files from your server, e.g. wget https://oceandata.sci.gsfc.nasa.gov/cgi/getfile/S3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zip
But this command returns only a html file, not the actual data file. I has however modified my autentication profile (I digitally 'signed' the Sentinel data access agreement on the URS authentication site).
Is there something to do more on my side ?

Thanks

Jacques

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OB.DAAC - amscott
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OLCI data access

by OB.DAAC - amscott » Fri Apr 28, 2017 2:44 pm America/New_York

Jaques,

I was unable to duplicate your issue, but from related posts, it seems that you might need to update your software: https://oceancolor.gsfc.nasa.gov/forum/oceancolor/topic_show.pl?pid=28131;hl=wget

or you can attempt these wget with Earthdata login options to see if corrects your problem: https://disc.gsfc.nasa.gov/registration/registration-for-data-access#Wget

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OLCI data access

by OB.DAAC - SeanBailey » Sat Apr 29, 2017 2:03 pm America/New_York

Did you "approve" the "OB.DAAC Sentinel" application in your EarthData Login profile?   I ask because I do not see you listed in the users who have done so...

The first time you attempt to download OLCI L1B data, you must accept the user agreement (which may be the html information you downloaded).  Try using your browser to download the file.  Or, login your EarthData account, select "My Applications", look for the "OB.DAAC Sentinel" application.  If it is not in your list of approved applications, you can add it with the "Add more applications" link.

Sean

jstum
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OLCI data access

by jstum » Thu May 04, 2017 12:23 pm America/New_York

Sean,

Following your remark, I added the "OB.DAAC Sentinel" application in my EarthData Login profile. But nothing changes, my wget command still returns and html file, not the actual OLCI file.

Jacques

gnwiii
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OLCI data access

by gnwiii » Thu May 04, 2017 1:37 pm America/New_York

The html file may contain some hints about the problem.  Have you tried viewing it in a browser?

jstum
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OLCI data access

by jstum » Fri May 05, 2017 3:55 am America/New_York

Hi George, hereafter some more information :
1- wget a VIIRS file
2- wget an OLCI file
3- content of the html file

1- wget a VIIRS file :
wget https://oceandata.sci.gsfc.nasa.gov/cgi/getfile/V2017124000000.GEO-M_SNPP.nc
--2017-05-05 09:46:12--  https://oceandata.sci.gsfc.nasa.gov/cgi/getfile/V2017124000000.GEO-M_SNPP.nc
Resolving proxy-prod.cls.fr (proxy-prod.cls.fr)... xx.xxx.xx.xx
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 200 OK
Length: 55468205 (53M) [application/octet-stream]
Saving to: âV2017124000000.GEO-M_SNPP.nc.1â

V2017124000000.GEO-M_SNPP.nc.1                      100%[=================================================================================================================>]  52.90M  3.89MB/s    in 17s

2017-05-05 09:46:31 (3.07 MB/s) - âV2017124000000.GEO-M_SNPP.nc.1â saved [55468205/55468205]

2- wget an OLCI file :
wget https://oceandata.sci.gsfc.nasa.gov/cgi/getfile/S3A_OL_1_EFR____20170504T000013_20170504T000313_20170504T020102_0179_017_173_1980_SVL_O_NR_002.zip
--2017-05-05 09:51:14--  https://oceandata.sci.gsfc.nasa.gov/cgi/getfile/S3A_OL_1_EFR____20170504T000013_20170504T000313_20170504T020102_0179_017_173_1980_SVL_O_NR_002.zip
Resolving proxy-prod.cls.fr (proxy-prod.cls.fr)... xx.xxx.xx.xx
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 302 Found
Location: /sentinel/getfile/S3A_OL_1_EFR____20170504T000013_20170504T000313_20170504T020102_0179_017_173_1980_SVL_O_NR_002.zip [following]
--2017-05-05 09:51:15--  https://oceandata.sci.gsfc.nasa.gov/sentinel/getfile/S3A_OL_1_EFR____20170504T000013_20170504T000313_20170504T020102_0179_017_173_1980_SVL_O_NR_002.zip
Reusing existing connection to oceandata.sci.gsfc.nasa.gov:443.
Proxy request sent, awaiting response... 302 Found
Location: https://urs.earthdata.nasa.gov/oauth/authorize?client_id=onClX3wZwggzbKMGnT2LFg&redirect_uri=https%3A%2F%2Foceandata.sci.gsfc.nasa.gov%2Fsentinel%2Fgetfile%2Frestrict&response_type=code&required_scope=study_area,country [following]
--2017-05-05 09:51:16--  https://urs.earthdata.nasa.gov/oauth/authorize?client_id=onClX3wZwggzbKMGnT2LFg&redirect_uri=https%3A%2F%2Foceandata.sci.gsfc.nasa.gov%2Fsentinel%2Fgetfile%2Frestrict&response_type=code&required_scope=study_area,country
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: âS3A_OL_1_EFR____20170504T000013_20170504T000313_20170504T020102_0179_017_173_1980_SVL_O_NR_002.zipâ

S3A_OL_1_EFR____20170504T000013_20170504T000313_201     [ <=>                                                                                                              ]   8.74K  --.-KB/s    in 0.1s

2017-05-05 09:51:17 (59.5 KB/s) - âS3A_OL_1_EFR____20170504T000013_20170504T000313_20170504T020102_0179_017_173_1980_SVL_O_NR_002.zipâ saved [8951]

3- geany S3A_OL_1_EFR____20170504T000013_20170504T000313_20170504T020102_0179_017_173_1980_SVL_O_NR_002.zip&
With geany, hereafter is the html file :

<!DOCTYPE html>
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<meta name="csrf-token" content="sMZpTJCvQvB8Vz9ChoqpVK5vxh2gvbRBjiUxH30Pxh9jBUGFvQYhELZu59pQO/ABc7U/I4XQm6pTsfESMwKrYg==" />
   

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  <div class="client-login">
   
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  <form id="login" action="/login" accept-charset="UTF-8" method="post"><input name="utf8" type="hidden" value="&#x2713;" /><input type="hidden" name="authenticity_token" value="6xaBDfT7jX68ZUOXGEF2tKP+Wv924K7riTbsrvWBE7A41anE2VLunnZcmw/O8C/hfiSjwVONgQBUoiyju4x+zQ==" />
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  <p><input type="hidden" name="client_id" id="client_id" value="onClX3wZwggzbKMGnT2LFg" /></p>
  <p><input type="hidden" name="redirect_uri" id="redirect_uri" value="https://oceandata.sci.gsfc.nasa.gov/sentinel/getfile/restrict" /></p>      <p><input type="hidden" name="response_type" id="response_type" value="code" /></p>
      <p><input type="hidden" name="state" id="state" /></p>
        <p><input type="hidden" name="required_scope" id="required_scope" value="study_area,country" /></p>
      <p><input type="checkbox" name="stay_in" id="stay_in" value="1" checked="checked" /> <label for="stay_in">Stay signed in (this is a private workstation)</label></p>

  <p class="button-with-notes">
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  </p>
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</form>
<aside class="govt-msg">
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    EOSDIS data are openly available to all and free of charge except where governed by international agreements.
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</aside>

</section>
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</html>

your help is appreciated,

Jacques

OB.DAAC - SeanBailey
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OLCI data access

by OB.DAAC - SeanBailey » Fri May 05, 2017 7:17 am America/New_York

Jacques,

Download your first file using a browser.  You will likely see that you still have not agreed to the Sentinel EULA and will be presented with a form to fill out.  Do that and accept the agreement and subsequent downloads should work non-interactively with your username/password.  See item #3 on the bulk download FAQ for how to set up wget to work with EarthData login.

Sean

gnwiii
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OLCI data access

by gnwiii » Fri May 05, 2017 7:24 am America/New_York

I don't think authentication is needed for VIIRS.  The html file is just the Earthdata Login page, so there is an authentication problem, as mentioned in Alicia Scott's post.   I can download the S3 file using a browser, but with wget I get the Earthdata login html page.

You can check that your login is working with: wget --verbose --load-cookies ~/.urs_cookies --save-cookies ~/.urs_cookies --auth-no-challenge=on --keep-session-cookies https://tads1.gesdisc.eosdis.nasa.gov/data/aqua_dprep/PM1ATTNR.003/2016/347/PM1ATTNR.P2016347.0000.003.2016347150040

jstum
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OLCI data access

by jstum » Fri May 05, 2017 8:45 am America/New_York

Sean and George,

Downloading OLCI file by clicking right on the filename from the direct data access page works
As I mentioned before, I had modified my EarthData login profile to add the Sentinel applications (see enclosed screen capture)
I tried both methods proposed at the item #3 of the link you mentioned, but they both failed :

1- first method :

wget --user="my EarthData login" --password="my EarthData password" https://oceandata.sci.gsfc.nasa.gov/echo/getfile/S3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zip
--2017-05-05 13:57:35--  https://oceandata.sci.gsfc.nasa.gov/echo/getfile/S3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zip
Resolving proxy-prod.cls.fr (proxy-prod.cls.fr)... xx.xxx.xx.xx
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 302 Found
Location: https://urs.earthdata.nasa.gov/oauth/authorize?response_type=code&redirect_uri=https%3A%2F%2Foceandata.sci.gsfc.nasa.gov%2Fecho%2Fgetfile%2Frestrict&client_id=hNX5KEIeCjXnRUidBTF0Uw&required_scope=study_area,country [following]
--2017-05-05 13:57:36--  https://urs.earthdata.nasa.gov/oauth/authorize?response_type=code&redirect_uri=https%3A%2F%2Foceandata.sci.gsfc.nasa.gov%2Fecho%2Fgetfile%2Frestrict&client_id=hNX5KEIeCjXnRUidBTF0Uw&required_scope=study_area,country
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: âS3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zipâ

S3A_OL_1_EFR____20170111T004805_20170111T005105_201     [ <=>                                                                                                              ]   8.73K  46.8KB/s    in 0.2s

2017-05-05 13:57:37 (46.8 KB/s) - âS3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zipâ saved [8939]

2- second method :

touch ~/.netrc
echo "machine urs.earthdata.nasa.gov login "my EarthData login" password "my EarthData password" > ~/.netrc
chmod 0600 ~/.netrc
touch ~/.urs_cookies
wget --load-cookies ~/.urs_cookies --save-cookies ~/.urs_cookies --keep-session-cookies https://oceandata.sci.gsfc.nasa.gov/echo/getfile/S3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zip
--2017-05-05 14:03:58--  https://oceandata.sci.gsfc.nasa.gov/echo/getfile/S3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zip
Resolving proxy-prod.cls.fr (proxy-prod.cls.fr)... xx.xxx.xx.xx
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 302 Found
Location: https://urs.earthdata.nasa.gov/oauth/authorize?response_type=code&redirect_uri=https%3A%2F%2Foceandata.sci.gsfc.nasa.gov%2Fecho%2Fgetfile%2Frestrict&client_id=hNX5KEIeCjXnRUidBTF0Uw&required_scope=study_area,country [following]
--2017-05-05 14:03:59--  https://urs.earthdata.nasa.gov/oauth/authorize?response_type=code&redirect_uri=https%3A%2F%2Foceandata.sci.gsfc.nasa.gov%2Fecho%2Fgetfile%2Frestrict&client_id=hNX5KEIeCjXnRUidBTF0Uw&required_scope=study_area,country
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 200 OK
Length: unspecified [text/html]
Saving to: âS3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zipâ

S3A_OL_1_EFR____20170111T004805_20170111T005105_201     [ <=>                                                                                                              ]   8.73K  --.-KB/s    in 0s

2017-05-05 14:04:00 (19.5 MB/s) - âS3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zipâ saved [8939]

Finaly, the test proposed by George works fine :

wget --verbose --load-cookies ~/.urs_cookies --save-cookies ~/.urs_cookies --auth-no-challenge=on --keep-session-cookies https://tads1.gesdisc.eosdis.nasa.gov/data/aqua_dprep/PM1ATTNR.003/2016/347/PM1ATTNR.P2016347.0000.003.2016347150040
--2017-05-05 14:05:28--  https://tads1.gesdisc.eosdis.nasa.gov/data/aqua_dprep/PM1ATTNR.003/2016/347/PM1ATTNR.P2016347.0000.003.2016347150040
Resolving proxy-prod.cls.fr (proxy-prod.cls.fr)... xx.xxx.xx.xx
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 302 Found
Location: https://urs.earthdata.nasa.gov/oauth/authorize/?app_type=401&client_id=e2WVk8Pw6weeLUKZYOxvTQ&response_type=code&redirect_uri=https%3A%2F%2Ftads1.gesdisc.eosdis.nasa.gov%2Fdata-redirect&state=aHR0cHM6Ly90YWRzMS5nZXNkaXNjLmVvc2Rpcy5uYXNhLmdvdi9kYXRhL2FxdWFfZHByZXAvUE0xQVRUTlIuMDAzLzIwMTYvMzQ3L1BNMUFUVE5SLlAyMDE2MzQ3LjAwMDAuMDAzLjIwMTYzNDcxNTAwNDA [following]
--2017-05-05 14:05:29--  https://urs.earthdata.nasa.gov/oauth/authorize/?app_type=401&client_id=e2WVk8Pw6weeLUKZYOxvTQ&response_type=code&redirect_uri=https%3A%2F%2Ftads1.gesdisc.eosdis.nasa.gov%2Fdata-redirect&state=aHR0cHM6Ly90YWRzMS5nZXNkaXNjLmVvc2Rpcy5uYXNhLmdvdi9kYXRhL2FxdWFfZHByZXAvUE0xQVRUTlIuMDAzLzIwMTYvMzQ3L1BNMUFUVE5SLlAyMDE2MzQ3LjAwMDAuMDAzLjIwMTYzNDcxNTAwNDA
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 302 Found
Location: https://tads1.gesdisc.eosdis.nasa.gov/data-redirect?error=access_denied&state=aHR0cHM6Ly90YWRzMS5nZXNkaXNjLmVvc2Rpcy5uYXNhLmdvdi9kYXRhL2FxdWFfZHByZXAvUE0xQVRUTlIuMDAzLzIwMTYvMzQ3L1BNMUFUVE5SLlAyMDE2MzQ3LjAwMDAuMDAzLjIwMTYzNDcxNTAwNDA [following]
--2017-05-05 14:05:30--  https://tads1.gesdisc.eosdis.nasa.gov/data-redirect?error=access_denied&state=aHR0cHM6Ly90YWRzMS5nZXNkaXNjLmVvc2Rpcy5uYXNhLmdvdi9kYXRhL2FxdWFfZHByZXAvUE0xQVRUTlIuMDAzLzIwMTYvMzQ3L1BNMUFUVE5SLlAyMDE2MzQ3LjAwMDAuMDAzLjIwMTYzNDcxNTAwNDA
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 302 Found
Location: http://disc.sci.gsfc.nasa.gov/registration/authorizing-gesdisc-data-access-in-earthdata_login [following]
--2017-05-05 14:05:31--  http://disc.sci.gsfc.nasa.gov/registration/authorizing-gesdisc-data-access-in-earthdata_login
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 301 Moved Permanently
Location: https://disc.sci.gsfc.nasa.gov/registration/authorizing-gesdisc-data-access-in-earthdata_login [following]
--2017-05-05 14:05:31--  https://disc.sci.gsfc.nasa.gov/registration/authorizing-gesdisc-data-access-in-earthdata_login
Connecting to proxy-prod.cls.fr (proxy-prod.cls.fr)|xx.xxx.xx.xx|:8080... connected.
Proxy request sent, awaiting response... 200 OK
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Saving to: âPM1ATTNR.P2016347.0000.003.2016347150040â

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2017-05-05 14:05:33 (95.2 KB/s) - âPM1ATTNR.P2016347.0000.003.2016347150040â saved [37262]
attachment 1

OB.DAAC - SeanBailey
User Services
User Services
Posts: 1359
Joined: Wed Sep 18, 2019 6:15 pm America/New_York
Answers: 1

OLCI data access

by OB.DAAC - SeanBailey » Fri May 05, 2017 9:17 am America/New_York

Hmm,
Seems wget isn't happy anymore, I'll put someone on that :)
cURL worked for me, though, using the same .netrc/.urs_cookies approach.

Try:
curl -b ~/.urs_cookies -c ~/.urs_cookies -L -n -O https://oceandata.sci.gsfc.nasa.gov/echo/getfile/S3A_OL_1_EFR____20170111T004805_20170111T005105_20170112T060801_0179_013_102_3059_LN1_O_NT_002.zip

Or in a loop:

for file in $(<some list of file URLs>);
do 
  curl  -b ~/.urs_cookies -c ~/.urs_cookies -L -n -O $file;
done;

Sean

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